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Finding the Fourth Proportional to 206,625.90, 309,355.65 and 200,793.90

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Solution

The fourth proportional to 206,625.90, 309,355.65 and 200,793.90 is: 300,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625.90 : 309,355.65 = 200,793.90 : x
  2. Step 2: Convert to fraction form
    206,625.90/309,355.65 = 200,793.90/x
  3. Step 3: Cross multiply
    206,625.90x = 309,355.65 × 200,793.90
  4. Step 4: Simplify right side
    206,625.90x = 62,116,727,450.54
  5. Step 5: Solve for x
    x = 62,116,727,450.54/206,625.90
  6. Step 6: Final answer
    x = 300,624.11

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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.