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Finding the Fourth Proportional to 269,073.20, 403,998.60 and 202,977.20

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Solution

The fourth proportional to 269,073.20, 403,998.60 and 202,977.20 is: 304,759.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,073.20 : 403,998.60 = 202,977.20 : x
  2. Step 2: Convert to fraction form
    269,073.20/403,998.60 = 202,977.20/x
  3. Step 3: Cross multiply
    269,073.20x = 403,998.60 × 202,977.20
  4. Step 4: Simplify right side
    269,073.20x = 82,002,504,631.92
  5. Step 5: Solve for x
    x = 82,002,504,631.92/269,073.20
  6. Step 6: Final answer
    x = 304,759.09

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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.