Finding the Fourth Proportional to 531,542.52, 733,612.80 and 316,807.14
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Solution
The fourth proportional to 531,542.52, 733,612.80 and 316,807.14 is: 437,243.99
Step by Step Solution
- Step 1: Write the proportion equation
531,542.52 : 733,612.80 = 316,807.14 : x - Step 2: Convert to fraction form
531,542.52/733,612.80 = 316,807.14/x - Step 3: Cross multiply
531,542.52x = 733,612.80 × 316,807.14 - Step 4: Simplify right side
531,542.52x = 232,413,773,035.39 - Step 5: Solve for x
x = 232,413,773,035.39/531,542.52 - Step 6: Final answer
x = 437,243.99
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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.