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Finding the Fourth Proportional to 482,269.54, 665,539.95 and 267,418.66

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Solution

The fourth proportional to 482,269.54, 665,539.95 and 267,418.66 is: 369,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,269.54 : 665,539.95 = 267,418.66 : x
  2. Step 2: Convert to fraction form
    482,269.54/665,539.95 = 267,418.66/x
  3. Step 3: Cross multiply
    482,269.54x = 665,539.95 × 267,418.66
  4. Step 4: Simplify right side
    482,269.54x = 177,977,801,605.47
  5. Step 5: Solve for x
    x = 177,977,801,605.47/482,269.54
  6. Step 6: Final answer
    x = 369,042.18

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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.