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Finding the Fourth Proportional to 303,778.31, 418,981.07 and 182,793.47

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Solution

The fourth proportional to 303,778.31, 418,981.07 and 182,793.47 is: 252,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,778.31 : 418,981.07 = 182,793.47 : x
  2. Step 2: Convert to fraction form
    303,778.31/418,981.07 = 182,793.47/x
  3. Step 3: Cross multiply
    303,778.31x = 418,981.07 × 182,793.47
  4. Step 4: Simplify right side
    303,778.31x = 76,587,002,011.69
  5. Step 5: Solve for x
    x = 76,587,002,011.69/303,778.31
  6. Step 6: Final answer
    x = 252,114.78

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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.