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Finding the Fourth Proportional to 441,353.70, 661,512.15 and 204,195.42

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Solution

The fourth proportional to 441,353.70, 661,512.15 and 204,195.42 is: 306,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,353.70 : 661,512.15 = 204,195.42 : x
  2. Step 2: Convert to fraction form
    441,353.70/661,512.15 = 204,195.42/x
  3. Step 3: Cross multiply
    441,353.70x = 661,512.15 × 204,195.42
  4. Step 4: Simplify right side
    441,353.70x = 135,077,751,304.35
  5. Step 5: Solve for x
    x = 135,077,751,304.35/441,353.70
  6. Step 6: Final answer
    x = 306,053.29

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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.