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Finding the Fourth Proportional to 275,037.96, 411,917.23 and 267,470.34

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Solution

The fourth proportional to 275,037.96, 411,917.23 and 267,470.34 is: 400,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,037.96 : 411,917.23 = 267,470.34 : x
  2. Step 2: Convert to fraction form
    275,037.96/411,917.23 = 267,470.34/x
  3. Step 3: Cross multiply
    275,037.96x = 411,917.23 × 267,470.34
  4. Step 4: Simplify right side
    275,037.96x = 110,175,640,349.61
  5. Step 5: Solve for x
    x = 110,175,640,349.61/275,037.96
  6. Step 6: Final answer
    x = 400,583.39

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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.