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Finding the Fourth Proportional to 482,125.44, 665,288.31 and 267,247.20

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Solution

The fourth proportional to 482,125.44, 665,288.31 and 267,247.20 is: 368,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,125.44 : 665,288.31 = 267,247.20 : x
  2. Step 2: Convert to fraction form
    482,125.44/665,288.31 = 267,247.20/x
  3. Step 3: Cross multiply
    482,125.44x = 665,288.31 × 267,247.20
  4. Step 4: Simplify right side
    482,125.44x = 177,796,438,040.23
  5. Step 5: Solve for x
    x = 177,796,438,040.23/482,125.44
  6. Step 6: Final answer
    x = 368,776.30

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