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Finding the Fourth Proportional to 704,131.97, 971,702.61 and 381,841.97

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Solution

The fourth proportional to 704,131.97, 971,702.61 and 381,841.97 is: 526,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,131.97 : 971,702.61 = 381,841.97 : x
  2. Step 2: Convert to fraction form
    704,131.97/971,702.61 = 381,841.97/x
  3. Step 3: Cross multiply
    704,131.97x = 971,702.61 × 381,841.97
  4. Step 4: Simplify right side
    704,131.97x = 371,036,838,856.54
  5. Step 5: Solve for x
    x = 371,036,838,856.54/704,131.97
  6. Step 6: Final answer
    x = 526,942.19

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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.