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Finding the Fourth Proportional to 481,896.37, 665,020.90 and 267,040.02

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Solution

The fourth proportional to 481,896.37, 665,020.90 and 267,040.02 is: 368,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,896.37 : 665,020.90 = 267,040.02 : x
  2. Step 2: Convert to fraction form
    481,896.37/665,020.90 = 267,040.02/x
  3. Step 3: Cross multiply
    481,896.37x = 665,020.90 × 267,040.02
  4. Step 4: Simplify right side
    481,896.37x = 177,587,194,436.42
  5. Step 5: Solve for x
    x = 177,587,194,436.42/481,896.37
  6. Step 6: Final answer
    x = 368,517.39

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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.