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Finding the Fourth Proportional to 226,200.80, 339,301.20 and 206,847.20

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Solution

The fourth proportional to 226,200.80, 339,301.20 and 206,847.20 is: 310,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,200.80 : 339,301.20 = 206,847.20 : x
  2. Step 2: Convert to fraction form
    226,200.80/339,301.20 = 206,847.20/x
  3. Step 3: Cross multiply
    226,200.80x = 339,301.20 × 206,847.20
  4. Step 4: Simplify right side
    226,200.80x = 70,183,503,176.64
  5. Step 5: Solve for x
    x = 70,183,503,176.64/226,200.80
  6. Step 6: Final answer
    x = 310,270.80

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1.5x scale

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.