Finding the Fourth Proportional to 624,377.01, 861,641.80 and 337,899.18
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Solution
The fourth proportional to 624,377.01, 861,641.80 and 337,899.18 is: 466,301.69
Step by Step Solution
- Step 1: Write the proportion equation
624,377.01 : 861,641.80 = 337,899.18 : x - Step 2: Convert to fraction form
624,377.01/861,641.80 = 337,899.18/x - Step 3: Cross multiply
624,377.01x = 861,641.80 × 337,899.18 - Step 4: Simplify right side
624,377.01x = 291,148,057,673.72 - Step 5: Solve for x
x = 291,148,057,673.72/624,377.01 - Step 6: Final answer
x = 466,301.69
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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.