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Finding the Fourth Proportional to 625,026.28, 862,536.30 and 338,546.46

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Solution

The fourth proportional to 625,026.28, 862,536.30 and 338,546.46 is: 467,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,026.28 : 862,536.30 = 338,546.46 : x
  2. Step 2: Convert to fraction form
    625,026.28/862,536.30 = 338,546.46/x
  3. Step 3: Cross multiply
    625,026.28x = 862,536.30 × 338,546.46
  4. Step 4: Simplify right side
    625,026.28x = 292,008,610,986.50
  5. Step 5: Solve for x
    x = 292,008,610,986.50/625,026.28
  6. Step 6: Final answer
    x = 467,194.13

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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.