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Finding the Fourth Proportional to 481,906.49, 665,014.22 and 267,066.54

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Solution

The fourth proportional to 481,906.49, 665,014.22 and 267,066.54 is: 368,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,906.49 : 665,014.22 = 267,066.54 : x
  2. Step 2: Convert to fraction form
    481,906.49/665,014.22 = 267,066.54/x
  3. Step 3: Cross multiply
    481,906.49x = 665,014.22 × 267,066.54
  4. Step 4: Simplify right side
    481,906.49x = 177,603,046,452.37
  5. Step 5: Solve for x
    x = 177,603,046,452.37/481,906.49
  6. Step 6: Final answer
    x = 368,542.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.