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Finding the Fourth Proportional to 337,800.78, 506,701.98 and 274,319.46

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Solution

The fourth proportional to 337,800.78, 506,701.98 and 274,319.46 is: 411,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,800.78 : 506,701.98 = 274,319.46 : x
  2. Step 2: Convert to fraction form
    337,800.78/506,701.98 = 274,319.46/x
  3. Step 3: Cross multiply
    337,800.78x = 506,701.98 × 274,319.46
  4. Step 4: Simplify right side
    337,800.78x = 138,998,213,534.53
  5. Step 5: Solve for x
    x = 138,998,213,534.53/337,800.78
  6. Step 6: Final answer
    x = 411,479.85

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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.