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Finding the Fourth Proportional to 267,265.80, 400,321.18 and 251,562.60

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Solution

The fourth proportional to 267,265.80, 400,321.18 and 251,562.60 is: 376,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,265.80 : 400,321.18 = 251,562.60 : x
  2. Step 2: Convert to fraction form
    267,265.80/400,321.18 = 251,562.60/x
  3. Step 3: Cross multiply
    267,265.80x = 400,321.18 × 251,562.60
  4. Step 4: Simplify right side
    267,265.80x = 100,705,836,875.87
  5. Step 5: Solve for x
    x = 100,705,836,875.87/267,265.80
  6. Step 6: Final answer
    x = 376,800.31

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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.