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Finding the Fourth Proportional to 269,560.20, 403,498.88 and 198,562.88

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Solution

The fourth proportional to 269,560.20, 403,498.88 and 198,562.88 is: 297,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,560.20 : 403,498.88 = 198,562.88 : x
  2. Step 2: Convert to fraction form
    269,560.20/403,498.88 = 198,562.88/x
  3. Step 3: Cross multiply
    269,560.20x = 403,498.88 × 198,562.88
  4. Step 4: Simplify right side
    269,560.20x = 80,119,899,689.57
  5. Step 5: Solve for x
    x = 80,119,899,689.57/269,560.20
  6. Step 6: Final answer
    x = 297,224.51

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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.