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Finding the Fourth Proportional to 482,215.38, 665,494.84 and 267,397.30

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Solution

The fourth proportional to 482,215.38, 665,494.84 and 267,397.30 is: 369,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,215.38 : 665,494.84 = 267,397.30 : x
  2. Step 2: Convert to fraction form
    482,215.38/665,494.84 = 267,397.30/x
  3. Step 3: Cross multiply
    482,215.38x = 665,494.84 × 267,397.30
  4. Step 4: Simplify right side
    482,215.38x = 177,951,523,041.94
  5. Step 5: Solve for x
    x = 177,951,523,041.94/482,215.38
  6. Step 6: Final answer
    x = 369,029.13

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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.