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Finding the Fourth Proportional to 2,723,267.20, 4,084,900.80 and 728,723.20

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Solution

The fourth proportional to 2,723,267.20, 4,084,900.80 and 728,723.20 is: 1,093,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,267.20 : 4,084,900.80 = 728,723.20 : x
  2. Step 2: Convert to fraction form
    2,723,267.20/4,084,900.80 = 728,723.20/x
  3. Step 3: Cross multiply
    2,723,267.20x = 4,084,900.80 × 728,723.20
  4. Step 4: Simplify right side
    2,723,267.20x = 2,976,761,982,658.56
  5. Step 5: Solve for x
    x = 2,976,761,982,658.56/2,723,267.20
  6. Step 6: Final answer
    x = 1,093,084.80

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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.