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Finding the Fourth Proportional to 625,073.02, 862,600.93 and 338,593.16

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Solution

The fourth proportional to 625,073.02, 862,600.93 and 338,593.16 is: 467,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,073.02 : 862,600.93 = 338,593.16 : x
  2. Step 2: Convert to fraction form
    625,073.02/862,600.93 = 338,593.16/x
  3. Step 3: Cross multiply
    625,073.02x = 862,600.93 × 338,593.16
  4. Step 4: Simplify right side
    625,073.02x = 292,070,776,017.66
  5. Step 5: Solve for x
    x = 292,070,776,017.66/625,073.02
  6. Step 6: Final answer
    x = 467,258.65

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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.