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Finding the Fourth Proportional to 543,045.68, 814,241 and 243,471.92

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Solution

The fourth proportional to 543,045.68, 814,241 and 243,471.92 is: 365,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,045.68 : 814,241 = 243,471.92 : x
  2. Step 2: Convert to fraction form
    543,045.68/814,241 = 243,471.92/x
  3. Step 3: Cross multiply
    543,045.68x = 814,241 × 243,471.92
  4. Step 4: Simplify right side
    543,045.68x = 198,244,819,612.72
  5. Step 5: Solve for x
    x = 198,244,819,612.72/543,045.68
  6. Step 6: Final answer
    x = 365,061.04

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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.