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Finding the Fourth Proportional to 488,933.39, 674,797.26 and 271,190.20

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Solution

The fourth proportional to 488,933.39, 674,797.26 and 271,190.20 is: 374,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,933.39 : 674,797.26 = 271,190.20 : x
  2. Step 2: Convert to fraction form
    488,933.39/674,797.26 = 271,190.20/x
  3. Step 3: Cross multiply
    488,933.39x = 674,797.26 × 271,190.20
  4. Step 4: Simplify right side
    488,933.39x = 182,998,404,103.77
  5. Step 5: Solve for x
    x = 182,998,404,103.77/488,933.39
  6. Step 6: Final answer
    x = 374,280.85

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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.