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Finding the Fourth Proportional to 1,915,589, 2,873,397.90 and 850,344.68

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Solution

The fourth proportional to 1,915,589, 2,873,397.90 and 850,344.68 is: 1,275,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,589 : 2,873,397.90 = 850,344.68 : x
  2. Step 2: Convert to fraction form
    1,915,589/2,873,397.90 = 850,344.68/x
  3. Step 3: Cross multiply
    1,915,589x = 2,873,397.90 × 850,344.68
  4. Step 4: Simplify right side
    1,915,589x = 2,443,378,617,788.17
  5. Step 5: Solve for x
    x = 2,443,378,617,788.17/1,915,589
  6. Step 6: Final answer
    x = 1,275,523.41

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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.