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Finding the Fourth Proportional to 363,276.80, 544,396.80 and 267,761.60

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Solution

The fourth proportional to 363,276.80, 544,396.80 and 267,761.60 is: 401,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,276.80 : 544,396.80 = 267,761.60 : x
  2. Step 2: Convert to fraction form
    363,276.80/544,396.80 = 267,761.60/x
  3. Step 3: Cross multiply
    363,276.80x = 544,396.80 × 267,761.60
  4. Step 4: Simplify right side
    363,276.80x = 145,768,558,202.88
  5. Step 5: Solve for x
    x = 145,768,558,202.88/363,276.80
  6. Step 6: Final answer
    x = 401,260.30

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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.