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Finding the Fourth Proportional to 481,972.08, 665,121.48 and 267,144.48

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Solution

The fourth proportional to 481,972.08, 665,121.48 and 267,144.48 is: 368,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,972.08 : 665,121.48 = 267,144.48 : x
  2. Step 2: Convert to fraction form
    481,972.08/665,121.48 = 267,144.48/x
  3. Step 3: Cross multiply
    481,972.08x = 665,121.48 × 267,144.48
  4. Step 4: Simplify right side
    481,972.08x = 177,683,531,911.43
  5. Step 5: Solve for x
    x = 177,683,531,911.43/481,972.08
  6. Step 6: Final answer
    x = 368,659.39

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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.