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Finding the Fourth Proportional to 481,921.26, 665,055.24 and 267,064.92

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Solution

The fourth proportional to 481,921.26, 665,055.24 and 267,064.92 is: 368,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,921.26 : 665,055.24 = 267,064.92 : x
  2. Step 2: Convert to fraction form
    481,921.26/665,055.24 = 267,064.92/x
  3. Step 3: Cross multiply
    481,921.26x = 665,055.24 × 267,064.92
  4. Step 4: Simplify right side
    481,921.26x = 177,612,924,466.18
  5. Step 5: Solve for x
    x = 177,612,924,466.18/481,921.26
  6. Step 6: Final answer
    x = 368,551.75

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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.