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Finding the Fourth Proportional to 3,865,774.92, 5,796,365.20 and 1,469,794.92

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Solution

The fourth proportional to 3,865,774.92, 5,796,365.20 and 1,469,794.92 is: 2,203,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,774.92 : 5,796,365.20 = 1,469,794.92 : x
  2. Step 2: Convert to fraction form
    3,865,774.92/5,796,365.20 = 1,469,794.92/x
  3. Step 3: Cross multiply
    3,865,774.92x = 5,796,365.20 × 1,469,794.92
  4. Step 4: Simplify right side
    3,865,774.92x = 8,519,468,125,424.78
  5. Step 5: Solve for x
    x = 8,519,468,125,424.78/3,865,774.92
  6. Step 6: Final answer
    x = 2,203,818.98

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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.