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Finding the Fourth Proportional to 240,664.92, 332,210.62 and 215,470.68

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Solution

The fourth proportional to 240,664.92, 332,210.62 and 215,470.68 is: 297,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,664.92 : 332,210.62 = 215,470.68 : x
  2. Step 2: Convert to fraction form
    240,664.92/332,210.62 = 215,470.68/x
  3. Step 3: Cross multiply
    240,664.92x = 332,210.62 × 215,470.68
  4. Step 4: Simplify right side
    240,664.92x = 71,581,648,194.62
  5. Step 5: Solve for x
    x = 71,581,648,194.62/240,664.92
  6. Step 6: Final answer
    x = 297,432.83

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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.