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Finding the Fourth Proportional to 676,519.22, 932,952.31 and 404,542.82

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Solution

The fourth proportional to 676,519.22, 932,952.31 and 404,542.82 is: 557,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,519.22 : 932,952.31 = 404,542.82 : x
  2. Step 2: Convert to fraction form
    676,519.22/932,952.31 = 404,542.82/x
  3. Step 3: Cross multiply
    676,519.22x = 932,952.31 × 404,542.82
  4. Step 4: Simplify right side
    676,519.22x = 377,419,152,736.80
  5. Step 5: Solve for x
    x = 377,419,152,736.80/676,519.22
  6. Step 6: Final answer
    x = 557,883.86

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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.