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Finding the Fourth Proportional to 425,034.88, 586,551.96 and 234,049.04

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Solution

The fourth proportional to 425,034.88, 586,551.96 and 234,049.04 is: 322,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,034.88 : 586,551.96 = 234,049.04 : x
  2. Step 2: Convert to fraction form
    425,034.88/586,551.96 = 234,049.04/x
  3. Step 3: Cross multiply
    425,034.88x = 586,551.96 × 234,049.04
  4. Step 4: Simplify right side
    425,034.88x = 137,281,923,148.12
  5. Step 5: Solve for x
    x = 137,281,923,148.12/425,034.88
  6. Step 6: Final answer
    x = 322,989.78

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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.