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Finding the Fourth Proportional to 482,572.13, 665,950.33 and 267,712.20

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Solution

The fourth proportional to 482,572.13, 665,950.33 and 267,712.20 is: 369,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,572.13 : 665,950.33 = 267,712.20 : x
  2. Step 2: Convert to fraction form
    482,572.13/665,950.33 = 267,712.20/x
  3. Step 3: Cross multiply
    482,572.13x = 665,950.33 × 267,712.20
  4. Step 4: Simplify right side
    482,572.13x = 178,283,027,935.03
  5. Step 5: Solve for x
    x = 178,283,027,935.03/482,572.13
  6. Step 6: Final answer
    x = 369,443.27

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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.