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Finding the Fourth Proportional to 1,965,841.23, 2,948,963.03 and 752,437.25

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Solution

The fourth proportional to 1,965,841.23, 2,948,963.03 and 752,437.25 is: 1,128,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,841.23 : 2,948,963.03 = 752,437.25 : x
  2. Step 2: Convert to fraction form
    1,965,841.23/2,948,963.03 = 752,437.25/x
  3. Step 3: Cross multiply
    1,965,841.23x = 2,948,963.03 × 752,437.25
  4. Step 4: Simplify right side
    1,965,841.23x = 2,218,909,619,781.15
  5. Step 5: Solve for x
    x = 2,218,909,619,781.15/1,965,841.23
  6. Step 6: Final answer
    x = 1,128,732.87

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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.