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Finding the Fourth Proportional to 482,127.92, 665,291.80 and 267,249.72

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Solution

The fourth proportional to 482,127.92, 665,291.80 and 267,249.72 is: 368,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,127.92 : 665,291.80 = 267,249.72 : x
  2. Step 2: Convert to fraction form
    482,127.92/665,291.80 = 267,249.72/x
  3. Step 3: Cross multiply
    482,127.92x = 665,291.80 × 267,249.72
  4. Step 4: Simplify right side
    482,127.92x = 177,799,047,268.30
  5. Step 5: Solve for x
    x = 177,799,047,268.30/482,127.92
  6. Step 6: Final answer
    x = 368,779.82

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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.