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Finding the Fourth Proportional to 337,812.60, 506,402.10 and 127,591.80

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Solution

The fourth proportional to 337,812.60, 506,402.10 and 127,591.80 is: 191,268.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,812.60 : 506,402.10 = 127,591.80 : x
  2. Step 2: Convert to fraction form
    337,812.60/506,402.10 = 127,591.80/x
  3. Step 3: Cross multiply
    337,812.60x = 506,402.10 × 127,591.80
  4. Step 4: Simplify right side
    337,812.60x = 64,612,755,462.78
  5. Step 5: Solve for x
    x = 64,612,755,462.78/337,812.60
  6. Step 6: Final answer
    x = 191,268.04

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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.