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Finding the Fourth Proportional to 451,819.76, 676,806.96 and 252,246.42

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Solution

The fourth proportional to 451,819.76, 676,806.96 and 252,246.42 is: 377,854.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,819.76 : 676,806.96 = 252,246.42 : x
  2. Step 2: Convert to fraction form
    451,819.76/676,806.96 = 252,246.42/x
  3. Step 3: Cross multiply
    451,819.76x = 676,806.96 × 252,246.42
  4. Step 4: Simplify right side
    451,819.76x = 170,722,132,691.08
  5. Step 5: Solve for x
    x = 170,722,132,691.08/451,819.76
  6. Step 6: Final answer
    x = 377,854.51

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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.