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Finding the Fourth Proportional to 300,669.59, 451,087.43 and 267,620.60

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Solution

The fourth proportional to 300,669.59, 451,087.43 and 267,620.60 is: 401,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,669.59 : 451,087.43 = 267,620.60 : x
  2. Step 2: Convert to fraction form
    300,669.59/451,087.43 = 267,620.60/x
  3. Step 3: Cross multiply
    300,669.59x = 451,087.43 × 267,620.60
  4. Step 4: Simplify right side
    300,669.59x = 120,720,288,669.06
  5. Step 5: Solve for x
    x = 120,720,288,669.06/300,669.59
  6. Step 6: Final answer
    x = 401,504.82

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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.