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Finding the Fourth Proportional to 267,504.80, 401,220.48 and 187,299.68

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Solution

The fourth proportional to 267,504.80, 401,220.48 and 187,299.68 is: 280,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,504.80 : 401,220.48 = 187,299.68 : x
  2. Step 2: Convert to fraction form
    267,504.80/401,220.48 = 187,299.68/x
  3. Step 3: Cross multiply
    267,504.80x = 401,220.48 × 187,299.68
  4. Step 4: Simplify right side
    267,504.80x = 75,148,467,513.45
  5. Step 5: Solve for x
    x = 75,148,467,513.45/267,504.80
  6. Step 6: Final answer
    x = 280,923.81

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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.