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Finding the Fourth Proportional to 240,663.92, 332,209.24 and 215,469.68

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Solution

The fourth proportional to 240,663.92, 332,209.24 and 215,469.68 is: 297,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,663.92 : 332,209.24 = 215,469.68 : x
  2. Step 2: Convert to fraction form
    240,663.92/332,209.24 = 215,469.68/x
  3. Step 3: Cross multiply
    240,663.92x = 332,209.24 × 215,469.68
  4. Step 4: Simplify right side
    240,663.92x = 71,581,018,635.84
  5. Step 5: Solve for x
    x = 71,581,018,635.84/240,663.92
  6. Step 6: Final answer
    x = 297,431.45

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1.5x scale

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.