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Finding the Fourth Proportional to 341,972.38, 512,958.57 and 92,654.38

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Solution

The fourth proportional to 341,972.38, 512,958.57 and 92,654.38 is: 138,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,972.38 : 512,958.57 = 92,654.38 : x
  2. Step 2: Convert to fraction form
    341,972.38/512,958.57 = 92,654.38/x
  3. Step 3: Cross multiply
    341,972.38x = 512,958.57 × 92,654.38
  4. Step 4: Simplify right side
    341,972.38x = 47,527,855,240.97
  5. Step 5: Solve for x
    x = 47,527,855,240.97/341,972.38
  6. Step 6: Final answer
    x = 138,981.56

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Similar ratio
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1.5x scale

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.