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Finding the Fourth Proportional to 269,666.70, 404,402.85 and 136,502.70

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Solution

The fourth proportional to 269,666.70, 404,402.85 and 136,502.70 is: 204,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,666.70 : 404,402.85 = 136,502.70 : x
  2. Step 2: Convert to fraction form
    269,666.70/404,402.85 = 136,502.70/x
  3. Step 3: Cross multiply
    269,666.70x = 404,402.85 × 136,502.70
  4. Step 4: Simplify right side
    269,666.70x = 55,202,080,912.70
  5. Step 5: Solve for x
    x = 55,202,080,912.70/269,666.70
  6. Step 6: Final answer
    x = 204,704.85

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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.