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Finding the Fourth Proportional to 488,523.73, 674,162.61 and 267,759.75

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Solution

The fourth proportional to 488,523.73, 674,162.61 and 267,759.75 is: 369,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,523.73 : 674,162.61 = 267,759.75 : x
  2. Step 2: Convert to fraction form
    488,523.73/674,162.61 = 267,759.75/x
  3. Step 3: Cross multiply
    488,523.73x = 674,162.61 × 267,759.75
  4. Step 4: Simplify right side
    488,523.73x = 180,513,611,912.95
  5. Step 5: Solve for x
    x = 180,513,611,912.95/488,523.73
  6. Step 6: Final answer
    x = 369,508.38

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1.5x scale

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.