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Finding the Fourth Proportional to 574,770.75, 862,919.15 and 491,068.59

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Solution

The fourth proportional to 574,770.75, 862,919.15 and 491,068.59 is: 737,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,770.75 : 862,919.15 = 491,068.59 : x
  2. Step 2: Convert to fraction form
    574,770.75/862,919.15 = 491,068.59/x
  3. Step 3: Cross multiply
    574,770.75x = 862,919.15 × 491,068.59
  4. Step 4: Simplify right side
    574,770.75x = 423,752,487,819.16
  5. Step 5: Solve for x
    x = 423,752,487,819.16/574,770.75
  6. Step 6: Final answer
    x = 737,254.79

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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.