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Finding the Fourth Proportional to 269,712.36, 404,568.74 and 92,220.71

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Solution

The fourth proportional to 269,712.36, 404,568.74 and 92,220.71 is: 138,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,712.36 : 404,568.74 = 92,220.71 : x
  2. Step 2: Convert to fraction form
    269,712.36/404,568.74 = 92,220.71/x
  3. Step 3: Cross multiply
    269,712.36x = 404,568.74 × 92,220.71
  4. Step 4: Simplify right side
    269,712.36x = 37,309,614,654.31
  5. Step 5: Solve for x
    x = 37,309,614,654.31/269,712.36
  6. Step 6: Final answer
    x = 138,331.13

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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.