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Finding the Fourth Proportional to 269,675.10, 404,512.68 and 253,053.90

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Solution

The fourth proportional to 269,675.10, 404,512.68 and 253,053.90 is: 379,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,675.10 : 404,512.68 = 253,053.90 : x
  2. Step 2: Convert to fraction form
    269,675.10/404,512.68 = 253,053.90/x
  3. Step 3: Cross multiply
    269,675.10x = 404,512.68 × 253,053.90
  4. Step 4: Simplify right side
    269,675.10x = 102,363,511,273.45
  5. Step 5: Solve for x
    x = 102,363,511,273.45/269,675.10
  6. Step 6: Final answer
    x = 379,580.88

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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.