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Finding the Fourth Proportional to 493,066.80, 739,089.90 and 267,951.60

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Solution

The fourth proportional to 493,066.80, 739,089.90 and 267,951.60 is: 401,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,066.80 : 739,089.90 = 267,951.60 : x
  2. Step 2: Convert to fraction form
    493,066.80/739,089.90 = 267,951.60/x
  3. Step 3: Cross multiply
    493,066.80x = 739,089.90 × 267,951.60
  4. Step 4: Simplify right side
    493,066.80x = 198,040,321,248.84
  5. Step 5: Solve for x
    x = 198,040,321,248.84/493,066.80
  6. Step 6: Final answer
    x = 401,650.08

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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.