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Finding the Fourth Proportional to 3,943,296.50, 5,914,351.47 and 1,103,040.50

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Solution

The fourth proportional to 3,943,296.50, 5,914,351.47 and 1,103,040.50 is: 1,654,394.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,296.50 : 5,914,351.47 = 1,103,040.50 : x
  2. Step 2: Convert to fraction form
    3,943,296.50/5,914,351.47 = 1,103,040.50/x
  3. Step 3: Cross multiply
    3,943,296.50x = 5,914,351.47 × 1,103,040.50
  4. Step 4: Simplify right side
    3,943,296.50x = 6,523,769,202,644.54
  5. Step 5: Solve for x
    x = 6,523,769,202,644.54/3,943,296.50
  6. Step 6: Final answer
    x = 1,654,394.79

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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.