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Finding the Fourth Proportional to 361,115.44, 541,470.56 and 247,391.71

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Solution

The fourth proportional to 361,115.44, 541,470.56 and 247,391.71 is: 370,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,115.44 : 541,470.56 = 247,391.71 : x
  2. Step 2: Convert to fraction form
    361,115.44/541,470.56 = 247,391.71/x
  3. Step 3: Cross multiply
    361,115.44x = 541,470.56 × 247,391.71
  4. Step 4: Simplify right side
    361,115.44x = 133,955,325,162.42
  5. Step 5: Solve for x
    x = 133,955,325,162.42/361,115.44
  6. Step 6: Final answer
    x = 370,948.76

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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.