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Finding the Fourth Proportional to 269,517.20, 404,275.80 and 247,744.40

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Solution

The fourth proportional to 269,517.20, 404,275.80 and 247,744.40 is: 371,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,517.20 : 404,275.80 = 247,744.40 : x
  2. Step 2: Convert to fraction form
    269,517.20/404,275.80 = 247,744.40/x
  3. Step 3: Cross multiply
    269,517.20x = 404,275.80 × 247,744.40
  4. Step 4: Simplify right side
    269,517.20x = 100,157,065,505.52
  5. Step 5: Solve for x
    x = 100,157,065,505.52/269,517.20
  6. Step 6: Final answer
    x = 371,616.60

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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.