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Finding the Fourth Proportional to 269,529.80, 404,553.90 and 136,560.20

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Solution

The fourth proportional to 269,529.80, 404,553.90 and 136,560.20 is: 204,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,529.80 : 404,553.90 = 136,560.20 : x
  2. Step 2: Convert to fraction form
    269,529.80/404,553.90 = 136,560.20/x
  3. Step 3: Cross multiply
    269,529.80x = 404,553.90 × 136,560.20
  4. Step 4: Simplify right side
    269,529.80x = 55,245,961,494.78
  5. Step 5: Solve for x
    x = 55,245,961,494.78/269,529.80
  6. Step 6: Final answer
    x = 204,971.63

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1.5x scale

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.