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Finding the Fourth Proportional to 550,777.20, 826,249.18 and 195,706.80

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Solution

The fourth proportional to 550,777.20, 826,249.18 and 195,706.80 is: 293,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,777.20 : 826,249.18 = 195,706.80 : x
  2. Step 2: Convert to fraction form
    550,777.20/826,249.18 = 195,706.80/x
  3. Step 3: Cross multiply
    550,777.20x = 826,249.18 × 195,706.80
  4. Step 4: Simplify right side
    550,777.20x = 161,702,583,020.42
  5. Step 5: Solve for x
    x = 161,702,583,020.42/550,777.20
  6. Step 6: Final answer
    x = 293,589.83

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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.