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Finding the Fourth Proportional to 417,591.87, 576,278.35 and 226,605.27

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Solution

The fourth proportional to 417,591.87, 576,278.35 and 226,605.27 is: 312,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,591.87 : 576,278.35 = 226,605.27 : x
  2. Step 2: Convert to fraction form
    417,591.87/576,278.35 = 226,605.27/x
  3. Step 3: Cross multiply
    417,591.87x = 576,278.35 × 226,605.27
  4. Step 4: Simplify right side
    417,591.87x = 130,587,712,691.44
  5. Step 5: Solve for x
    x = 130,587,712,691.44/417,591.87
  6. Step 6: Final answer
    x = 312,716.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.