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Finding the Fourth Proportional to 481,967.85, 665,076.47 and 267,116.97

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Solution

The fourth proportional to 481,967.85, 665,076.47 and 267,116.97 is: 368,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,967.85 : 665,076.47 = 267,116.97 : x
  2. Step 2: Convert to fraction form
    481,967.85/665,076.47 = 267,116.97/x
  3. Step 3: Cross multiply
    481,967.85x = 665,076.47 × 267,116.97
  4. Step 4: Simplify right side
    481,967.85x = 177,653,210,149.11
  5. Step 5: Solve for x
    x = 177,653,210,149.11/481,967.85
  6. Step 6: Final answer
    x = 368,599.71

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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.