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Finding the Fourth Proportional to 454,169.28, 626,781.60 and 252,965.28

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Solution

The fourth proportional to 454,169.28, 626,781.60 and 252,965.28 is: 349,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,169.28 : 626,781.60 = 252,965.28 : x
  2. Step 2: Convert to fraction form
    454,169.28/626,781.60 = 252,965.28/x
  3. Step 3: Cross multiply
    454,169.28x = 626,781.60 × 252,965.28
  4. Step 4: Simplify right side
    454,169.28x = 158,553,982,942.85
  5. Step 5: Solve for x
    x = 158,553,982,942.85/454,169.28
  6. Step 6: Final answer
    x = 349,107.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.