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Finding the Fourth Proportional to 327,439.53, 490,962.47 and 125,048.88

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Solution

The fourth proportional to 327,439.53, 490,962.47 and 125,048.88 is: 187,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,439.53 : 490,962.47 = 125,048.88 : x
  2. Step 2: Convert to fraction form
    327,439.53/490,962.47 = 125,048.88/x
  3. Step 3: Cross multiply
    327,439.53x = 490,962.47 × 125,048.88
  4. Step 4: Simplify right side
    327,439.53x = 61,394,306,370.29
  5. Step 5: Solve for x
    x = 61,394,306,370.29/327,439.53
  6. Step 6: Final answer
    x = 187,498.15

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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.