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Finding the Fourth Proportional to 269,540.10, 404,310.15 and 264,291.30

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Solution

The fourth proportional to 269,540.10, 404,310.15 and 264,291.30 is: 396,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,540.10 : 404,310.15 = 264,291.30 : x
  2. Step 2: Convert to fraction form
    269,540.10/404,310.15 = 264,291.30/x
  3. Step 3: Cross multiply
    269,540.10x = 404,310.15 × 264,291.30
  4. Step 4: Simplify right side
    269,540.10x = 106,855,655,146.70
  5. Step 5: Solve for x
    x = 106,855,655,146.70/269,540.10
  6. Step 6: Final answer
    x = 396,436.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.