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Finding the Fourth Proportional to 625,203.53, 862,781.73 and 338,723.62

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Solution

The fourth proportional to 625,203.53, 862,781.73 and 338,723.62 is: 467,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,203.53 : 862,781.73 = 338,723.62 : x
  2. Step 2: Convert to fraction form
    625,203.53/862,781.73 = 338,723.62/x
  3. Step 3: Cross multiply
    625,203.53x = 862,781.73 × 338,723.62
  4. Step 4: Simplify right side
    625,203.53x = 292,244,546,541.55
  5. Step 5: Solve for x
    x = 292,244,546,541.55/625,203.53
  6. Step 6: Final answer
    x = 467,439.05

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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.