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Finding the Fourth Proportional to 269,758.24, 404,718.39 and 127,711.78

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Solution

The fourth proportional to 269,758.24, 404,718.39 and 127,711.78 is: 191,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,758.24 : 404,718.39 = 127,711.78 : x
  2. Step 2: Convert to fraction form
    269,758.24/404,718.39 = 127,711.78/x
  3. Step 3: Cross multiply
    269,758.24x = 404,718.39 × 127,711.78
  4. Step 4: Simplify right side
    269,758.24x = 51,687,305,985.63
  5. Step 5: Solve for x
    x = 51,687,305,985.63/269,758.24
  6. Step 6: Final answer
    x = 191,606.03

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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.