Finding the Fourth Proportional to 409,732.56, 564,553.80 and 275,363.28
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Solution
The fourth proportional to 409,732.56, 564,553.80 and 275,363.28 is: 379,411.84
Step by Step Solution
- Step 1: Write the proportion equation
409,732.56 : 564,553.80 = 275,363.28 : x - Step 2: Convert to fraction form
409,732.56/564,553.80 = 275,363.28/x - Step 3: Cross multiply
409,732.56x = 564,553.80 × 275,363.28 - Step 4: Simplify right side
409,732.56x = 155,457,386,104.46 - Step 5: Solve for x
x = 155,457,386,104.46/409,732.56 - Step 6: Final answer
x = 379,411.84
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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.