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Finding the Fourth Proportional to 625,069.43, 862,599.96 and 338,589.52

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Solution

The fourth proportional to 625,069.43, 862,599.96 and 338,589.52 is: 467,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,069.43 : 862,599.96 = 338,589.52 : x
  2. Step 2: Convert to fraction form
    625,069.43/862,599.96 = 338,589.52/x
  3. Step 3: Cross multiply
    625,069.43x = 862,599.96 × 338,589.52
  4. Step 4: Simplify right side
    625,069.43x = 292,067,303,299.64
  5. Step 5: Solve for x
    x = 292,067,303,299.64/625,069.43
  6. Step 6: Final answer
    x = 467,255.78

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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.