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Finding the Fourth Proportional to 337,390.72, 506,708.16 and 267,717.76

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Solution

The fourth proportional to 337,390.72, 506,708.16 and 267,717.76 is: 402,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,390.72 : 506,708.16 = 267,717.76 : x
  2. Step 2: Convert to fraction form
    337,390.72/506,708.16 = 267,717.76/x
  3. Step 3: Cross multiply
    337,390.72x = 506,708.16 × 267,717.76
  4. Step 4: Simplify right side
    337,390.72x = 135,654,773,568.92
  5. Step 5: Solve for x
    x = 135,654,773,568.92/337,390.72
  6. Step 6: Final answer
    x = 402,070.26

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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.