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Finding the Fourth Proportional to 2,979,863.20, 4,469,794.80 and 736,001.20

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Solution

The fourth proportional to 2,979,863.20, 4,469,794.80 and 736,001.20 is: 1,104,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,863.20 : 4,469,794.80 = 736,001.20 : x
  2. Step 2: Convert to fraction form
    2,979,863.20/4,469,794.80 = 736,001.20/x
  3. Step 3: Cross multiply
    2,979,863.20x = 4,469,794.80 × 736,001.20
  4. Step 4: Simplify right side
    2,979,863.20x = 3,289,774,336,553.76
  5. Step 5: Solve for x
    x = 3,289,774,336,553.76/2,979,863.20
  6. Step 6: Final answer
    x = 1,104,001.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.