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Finding the Fourth Proportional to 274,358.75, 378,487.20 and 177,593.83

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Solution

The fourth proportional to 274,358.75, 378,487.20 and 177,593.83 is: 244,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,358.75 : 378,487.20 = 177,593.83 : x
  2. Step 2: Convert to fraction form
    274,358.75/378,487.20 = 177,593.83/x
  3. Step 3: Cross multiply
    274,358.75x = 378,487.20 × 177,593.83
  4. Step 4: Simplify right side
    274,358.75x = 67,216,990,507.76
  5. Step 5: Solve for x
    x = 67,216,990,507.76/274,358.75
  6. Step 6: Final answer
    x = 244,996.71

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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.