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Finding the Fourth Proportional to 267,502.80, 401,217.48 and 187,297.68

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Solution

The fourth proportional to 267,502.80, 401,217.48 and 187,297.68 is: 280,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,502.80 : 401,217.48 = 187,297.68 : x
  2. Step 2: Convert to fraction form
    267,502.80/401,217.48 = 187,297.68/x
  3. Step 3: Cross multiply
    267,502.80x = 401,217.48 × 187,297.68
  4. Step 4: Simplify right side
    267,502.80x = 75,147,103,179.45
  5. Step 5: Solve for x
    x = 75,147,103,179.45/267,502.80
  6. Step 6: Final answer
    x = 280,920.81

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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.