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Finding the Fourth Proportional to 3,669,843.80, 5,504,765.70 and 2,394,385.40

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Solution

The fourth proportional to 3,669,843.80, 5,504,765.70 and 2,394,385.40 is: 3,591,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,843.80 : 5,504,765.70 = 2,394,385.40 : x
  2. Step 2: Convert to fraction form
    3,669,843.80/5,504,765.70 = 2,394,385.40/x
  3. Step 3: Cross multiply
    3,669,843.80x = 5,504,765.70 × 2,394,385.40
  4. Step 4: Simplify right side
    3,669,843.80x = 13,180,530,622,500.78
  5. Step 5: Solve for x
    x = 13,180,530,622,500.78/3,669,843.80
  6. Step 6: Final answer
    x = 3,591,578.10

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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.