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Finding the Fourth Proportional to 223,940.20, 335,691.60 and 200,320.60

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Solution

The fourth proportional to 223,940.20, 335,691.60 and 200,320.60 is: 300,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,940.20 : 335,691.60 = 200,320.60 : x
  2. Step 2: Convert to fraction form
    223,940.20/335,691.60 = 200,320.60/x
  3. Step 3: Cross multiply
    223,940.20x = 335,691.60 × 200,320.60
  4. Step 4: Simplify right side
    223,940.20x = 67,245,942,726.96
  5. Step 5: Solve for x
    x = 67,245,942,726.96/223,940.20
  6. Step 6: Final answer
    x = 300,285.27

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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.