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Finding the Fourth Proportional to 676,518.97, 932,951.96 and 404,542.57

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Solution

The fourth proportional to 676,518.97, 932,951.96 and 404,542.57 is: 557,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,518.97 : 932,951.96 = 404,542.57 : x
  2. Step 2: Convert to fraction form
    676,518.97/932,951.96 = 404,542.57/x
  3. Step 3: Cross multiply
    676,518.97x = 932,951.96 × 404,542.57
  4. Step 4: Simplify right side
    676,518.97x = 377,418,778,920.18
  5. Step 5: Solve for x
    x = 377,418,778,920.18/676,518.97
  6. Step 6: Final answer
    x = 557,883.52

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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.