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Finding the Fourth Proportional to 269,074.70, 404,000.85 and 202,978.70

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Solution

The fourth proportional to 269,074.70, 404,000.85 and 202,978.70 is: 304,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,074.70 : 404,000.85 = 202,978.70 : x
  2. Step 2: Convert to fraction form
    269,074.70/404,000.85 = 202,978.70/x
  3. Step 3: Cross multiply
    269,074.70x = 404,000.85 × 202,978.70
  4. Step 4: Simplify right side
    269,074.70x = 82,003,567,331.90
  5. Step 5: Solve for x
    x = 82,003,567,331.90/269,074.70
  6. Step 6: Final answer
    x = 304,761.34

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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.