Finding the Fourth Proportional to 592,357.60, 816,603.24 and 422,296.48
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Solution
The fourth proportional to 592,357.60, 816,603.24 and 422,296.48 is: 582,162.99
Step by Step Solution
- Step 1: Write the proportion equation
592,357.60 : 816,603.24 = 422,296.48 : x - Step 2: Convert to fraction form
592,357.60/816,603.24 = 422,296.48/x - Step 3: Cross multiply
592,357.60x = 816,603.24 × 422,296.48 - Step 4: Simplify right side
592,357.60x = 344,848,671,767.09 - Step 5: Solve for x
x = 344,848,671,767.09/592,357.60 - Step 6: Final answer
x = 582,162.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.