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Finding the Fourth Proportional to 4,795,229.87, 7,191,978.20 and 1,382,677.44

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Solution

The fourth proportional to 4,795,229.87, 7,191,978.20 and 1,382,677.44 is: 2,073,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795,229.87 : 7,191,978.20 = 1,382,677.44 : x
  2. Step 2: Convert to fraction form
    4,795,229.87/7,191,978.20 = 1,382,677.44/x
  3. Step 3: Cross multiply
    4,795,229.87x = 7,191,978.20 × 1,382,677.44
  4. Step 4: Simplify right side
    4,795,229.87x = 9,944,186,025,645.98
  5. Step 5: Solve for x
    x = 9,944,186,025,645.98/4,795,229.87
  6. Step 6: Final answer
    x = 2,073,766.28

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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.