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Finding the Fourth Proportional to 481,954.26, 665,085.56 and 267,089.72

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Solution

The fourth proportional to 481,954.26, 665,085.56 and 267,089.72 is: 368,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,954.26 : 665,085.56 = 267,089.72 : x
  2. Step 2: Convert to fraction form
    481,954.26/665,085.56 = 267,089.72/x
  3. Step 3: Cross multiply
    481,954.26x = 665,085.56 × 267,089.72
  4. Step 4: Simplify right side
    481,954.26x = 177,637,511,335.57
  5. Step 5: Solve for x
    x = 177,637,511,335.57/481,954.26
  6. Step 6: Final answer
    x = 368,577.53

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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.