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Finding the Fourth Proportional to 866,174, 1,299,380.88 and 267,182.24

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Solution

The fourth proportional to 866,174, 1,299,380.88 and 267,182.24 is: 400,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,174 : 1,299,380.88 = 267,182.24 : x
  2. Step 2: Convert to fraction form
    866,174/1,299,380.88 = 267,182.24/x
  3. Step 3: Cross multiply
    866,174x = 1,299,380.88 × 267,182.24
  4. Step 4: Simplify right side
    866,174x = 347,171,494,131.57
  5. Step 5: Solve for x
    x = 347,171,494,131.57/866,174
  6. Step 6: Final answer
    x = 400,810.34

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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.