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Finding the Fourth Proportional to 417,592.53, 576,279.18 and 226,605.90

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Solution

The fourth proportional to 417,592.53, 576,279.18 and 226,605.90 is: 312,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,592.53 : 576,279.18 = 226,605.90 : x
  2. Step 2: Convert to fraction form
    417,592.53/576,279.18 = 226,605.90/x
  3. Step 3: Cross multiply
    417,592.53x = 576,279.18 × 226,605.90
  4. Step 4: Simplify right side
    417,592.53x = 130,588,262,235.16
  5. Step 5: Solve for x
    x = 130,588,262,235.16/417,592.53
  6. Step 6: Final answer
    x = 312,716.95

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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.