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    Work: Find the solution of equation (x+453.17)/(5446.96+x) = 0.25 .
    Question type: Equation
    Solution:Original question:

(

x

+

45317 100

)

÷

(

136174 25

+

x

)

=

1 4

Multiply both sides of the equation by:

(

136174 25

+

x

)

(

x

+

45317 100

)

=

1 4

(

136174 25

+

x

)

    Remove a bracket on the left of the equation:：

x

+

45317 100

=

1 4

(

136174 25

+

x

)

    Remove a bracket on the right of the equation:：

x

+

45317 100

=

1 4

×

136174 25

+

1 4

x

    The equation is reduced to :

x

+

45317 100

=

68087 50

+

1 4

x

    Transposition :

x

−

1 4

x

=

68087 50

−

45317 100

    Combine the items on the left of the equation:

3 4

x

=

68087 50

−

45317 100

    Combine the items on the right of the equation:

3 4

x

=

90857 100

    The coefficient of the unknown number is reduced to 1 :

x

=

90857 100

÷

3 4

=

90857 100

×

4 3

=

90857 25

×

1 3

    We obtained :

x

=

90857 75

    This is the solution of the equation.

    Convert the result to decimal form :

x

=

1211.426667

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