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Finding the Fourth Proportional to 3,269,789.96, 4,904,299.49 and 873,819.41

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Solution

The fourth proportional to 3,269,789.96, 4,904,299.49 and 873,819.41 is: 1,310,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,789.96 : 4,904,299.49 = 873,819.41 : x
  2. Step 2: Convert to fraction form
    3,269,789.96/4,904,299.49 = 873,819.41/x
  3. Step 3: Cross multiply
    3,269,789.96x = 4,904,299.49 × 873,819.41
  4. Step 4: Simplify right side
    3,269,789.96x = 4,285,472,057,924.51
  5. Step 5: Solve for x
    x = 4,285,472,057,924.51/3,269,789.96
  6. Step 6: Final answer
    x = 1,310,626.10

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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.