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Finding the Fourth Proportional to 481,992.40, 665,149.56 and 267,146.32

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Solution

The fourth proportional to 481,992.40, 665,149.56 and 267,146.32 is: 368,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,992.40 : 665,149.56 = 267,146.32 : x
  2. Step 2: Convert to fraction form
    481,992.40/665,149.56 = 267,146.32/x
  3. Step 3: Cross multiply
    481,992.40x = 665,149.56 × 267,146.32
  4. Step 4: Simplify right side
    481,992.40x = 177,692,257,203.62
  5. Step 5: Solve for x
    x = 177,692,257,203.62/481,992.40
  6. Step 6: Final answer
    x = 368,661.95

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1.5x scale

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.