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Finding the Fourth Proportional to 441,183.56, 661,508.46 and 197,980.04

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Solution

The fourth proportional to 441,183.56, 661,508.46 and 197,980.04 is: 296,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,183.56 : 661,508.46 = 197,980.04 : x
  2. Step 2: Convert to fraction form
    441,183.56/661,508.46 = 197,980.04/x
  3. Step 3: Cross multiply
    441,183.56x = 661,508.46 × 197,980.04
  4. Step 4: Simplify right side
    441,183.56x = 130,965,468,063.60
  5. Step 5: Solve for x
    x = 130,965,468,063.60/441,183.56
  6. Step 6: Final answer
    x = 296,850.29

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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.