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Finding the Fourth Proportional to 2,542,805.88, 3,813,789.63 and 836,971.39

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Solution

The fourth proportional to 2,542,805.88, 3,813,789.63 and 836,971.39 is: 1,255,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,805.88 : 3,813,789.63 = 836,971.39 : x
  2. Step 2: Convert to fraction form
    2,542,805.88/3,813,789.63 = 836,971.39/x
  3. Step 3: Cross multiply
    2,542,805.88x = 3,813,789.63 × 836,971.39
  4. Step 4: Simplify right side
    2,542,805.88x = 3,192,032,807,788.69
  5. Step 5: Solve for x
    x = 3,192,032,807,788.69/2,542,805.88
  6. Step 6: Final answer
    x = 1,255,319.11

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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.