Finding the Fourth Proportional to 316,444.55, 474,593.00 and 91,744.68
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Solution
The fourth proportional to 316,444.55, 474,593.00 and 91,744.68 is: 137,595.61
Step by Step Solution
- Step 1: Write the proportion equation
316,444.55 : 474,593.00 = 91,744.68 : x - Step 2: Convert to fraction form
316,444.55/474,593.00 = 91,744.68/x - Step 3: Cross multiply
316,444.55x = 474,593.00 × 91,744.68 - Step 4: Simplify right side
316,444.55x = 43,541,382,456.52 - Step 5: Solve for x
x = 43,541,382,456.52/316,444.55 - Step 6: Final answer
x = 137,595.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.