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Finding the Fourth Proportional to 461,067.39, 636,257.97 and 254,335.28

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Solution

The fourth proportional to 461,067.39, 636,257.97 and 254,335.28 is: 350,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,067.39 : 636,257.97 = 254,335.28 : x
  2. Step 2: Convert to fraction form
    461,067.39/636,257.97 = 254,335.28/x
  3. Step 3: Cross multiply
    461,067.39x = 636,257.97 × 254,335.28
  4. Step 4: Simplify right side
    461,067.39x = 161,822,845,770.89
  5. Step 5: Solve for x
    x = 161,822,845,770.89/461,067.39
  6. Step 6: Final answer
    x = 350,974.39

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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.