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Finding the Fourth Proportional to 1,944,257.31, 2,917,874.51 and 880,046.71

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Solution

The fourth proportional to 1,944,257.31, 2,917,874.51 and 880,046.71 is: 1,320,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,257.31 : 2,917,874.51 = 880,046.71 : x
  2. Step 2: Convert to fraction form
    1,944,257.31/2,917,874.51 = 880,046.71/x
  3. Step 3: Cross multiply
    1,944,257.31x = 2,917,874.51 × 880,046.71
  4. Step 4: Simplify right side
    1,944,257.31x = 2,567,865,854,323.62
  5. Step 5: Solve for x
    x = 2,567,865,854,323.62/1,944,257.31
  6. Step 6: Final answer
    x = 1,320,743.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.