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Finding the Fourth Proportional to 622,793.20, 934,420.20 and 202,082.80

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Solution

The fourth proportional to 622,793.20, 934,420.20 and 202,082.80 is: 303,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,793.20 : 934,420.20 = 202,082.80 : x
  2. Step 2: Convert to fraction form
    622,793.20/934,420.20 = 202,082.80/x
  3. Step 3: Cross multiply
    622,793.20x = 934,420.20 × 202,082.80
  4. Step 4: Simplify right side
    622,793.20x = 188,830,250,392.56
  5. Step 5: Solve for x
    x = 188,830,250,392.56/622,793.20
  6. Step 6: Final answer
    x = 303,198.96

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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.