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Finding the Fourth Proportional to 481,897.62, 665,033.25 and 267,017.46

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Solution

The fourth proportional to 481,897.62, 665,033.25 and 267,017.46 is: 368,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,897.62 : 665,033.25 = 267,017.46 : x
  2. Step 2: Convert to fraction form
    481,897.62/665,033.25 = 267,017.46/x
  3. Step 3: Cross multiply
    481,897.62x = 665,033.25 × 267,017.46
  4. Step 4: Simplify right side
    481,897.62x = 177,575,489,230.55
  5. Step 5: Solve for x
    x = 177,575,489,230.55/481,897.62
  6. Step 6: Final answer
    x = 368,492.15

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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.