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Finding the Fourth Proportional to 3,865,772.92, 5,796,362.20 and 1,469,792.92

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Solution

The fourth proportional to 3,865,772.92, 5,796,362.20 and 1,469,792.92 is: 2,203,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,772.92 : 5,796,362.20 = 1,469,792.92 : x
  2. Step 2: Convert to fraction form
    3,865,772.92/5,796,362.20 = 1,469,792.92/x
  3. Step 3: Cross multiply
    3,865,772.92x = 5,796,362.20 × 1,469,792.92
  4. Step 4: Simplify right side
    3,865,772.92x = 8,519,452,123,315.62
  5. Step 5: Solve for x
    x = 8,519,452,123,315.62/3,865,772.92
  6. Step 6: Final answer
    x = 2,203,815.98

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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.