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Finding the Fourth Proportional to 417,381.12, 625,912.08 and 227,740.11

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Solution

The fourth proportional to 417,381.12, 625,912.08 and 227,740.11 is: 341,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,381.12 : 625,912.08 = 227,740.11 : x
  2. Step 2: Convert to fraction form
    417,381.12/625,912.08 = 227,740.11/x
  3. Step 3: Cross multiply
    417,381.12x = 625,912.08 × 227,740.11
  4. Step 4: Simplify right side
    417,381.12x = 142,545,286,375.61
  5. Step 5: Solve for x
    x = 142,545,286,375.61/417,381.12
  6. Step 6: Final answer
    x = 341,523.08

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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.