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Finding the Fourth Proportional to 361,912.62, 499,399.14 and 200,727.30

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Solution

The fourth proportional to 361,912.62, 499,399.14 and 200,727.30 is: 276,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,912.62 : 499,399.14 = 200,727.30 : x
  2. Step 2: Convert to fraction form
    361,912.62/499,399.14 = 200,727.30/x
  3. Step 3: Cross multiply
    361,912.62x = 499,399.14 × 200,727.30
  4. Step 4: Simplify right side
    361,912.62x = 100,243,040,994.52
  5. Step 5: Solve for x
    x = 100,243,040,994.52/361,912.62
  6. Step 6: Final answer
    x = 276,981.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.