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Finding the Fourth Proportional to 361,241.01, 498,490.67 and 200,086.65

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Solution

The fourth proportional to 361,241.01, 498,490.67 and 200,086.65 is: 276,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,241.01 : 498,490.67 = 200,086.65 : x
  2. Step 2: Convert to fraction form
    361,241.01/498,490.67 = 200,086.65/x
  3. Step 3: Cross multiply
    361,241.01x = 498,490.67 × 200,086.65
  4. Step 4: Simplify right side
    361,241.01x = 99,741,327,216.12
  5. Step 5: Solve for x
    x = 99,741,327,216.12/361,241.01
  6. Step 6: Final answer
    x = 276,107.43

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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.