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Finding the Fourth Proportional to 482,081.27, 665,202.29 and 267,221.30

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Solution

The fourth proportional to 482,081.27, 665,202.29 and 267,221.30 is: 368,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,081.27 : 665,202.29 = 267,221.30 : x
  2. Step 2: Convert to fraction form
    482,081.27/665,202.29 = 267,221.30/x
  3. Step 3: Cross multiply
    482,081.27x = 665,202.29 × 267,221.30
  4. Step 4: Simplify right side
    482,081.27x = 177,756,216,034.66
  5. Step 5: Solve for x
    x = 177,756,216,034.66/482,081.27
  6. Step 6: Final answer
    x = 368,726.66

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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.