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Finding the Fourth Proportional to 264,474, 396,711 and 67,482

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Solution

The fourth proportional to 264,474, 396,711 and 67,482 is: 101,223

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,474 : 396,711 = 67,482 : x
  2. Step 2: Convert to fraction form
    264,474/396,711 = 67,482/x
  3. Step 3: Cross multiply
    264,474x = 396,711 × 67,482
  4. Step 4: Simplify right side
    264,474x = 26,770,851,702
  5. Step 5: Solve for x
    x = 26,770,851,702/264,474
  6. Step 6: Final answer
    x = 101,223

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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.