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Finding the Fourth Proportional to 445,625.37, 667,408.34 and 267,740.26

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Solution

The fourth proportional to 445,625.37, 667,408.34 and 267,740.26 is: 400,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,625.37 : 667,408.34 = 267,740.26 : x
  2. Step 2: Convert to fraction form
    445,625.37/667,408.34 = 267,740.26/x
  3. Step 3: Cross multiply
    445,625.37x = 667,408.34 × 267,740.26
  4. Step 4: Simplify right side
    445,625.37x = 178,692,081,478.60
  5. Step 5: Solve for x
    x = 178,692,081,478.60/445,625.37
  6. Step 6: Final answer
    x = 400,991.72

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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.