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Finding the Fourth Proportional to 488,618.73, 674,293.41 and 270,841.32

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Solution

The fourth proportional to 488,618.73, 674,293.41 and 270,841.32 is: 373,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,618.73 : 674,293.41 = 270,841.32 : x
  2. Step 2: Convert to fraction form
    488,618.73/674,293.41 = 270,841.32/x
  3. Step 3: Cross multiply
    488,618.73x = 674,293.41 × 270,841.32
  4. Step 4: Simplify right side
    488,618.73x = 182,626,517,231.70
  5. Step 5: Solve for x
    x = 182,626,517,231.70/488,618.73
  6. Step 6: Final answer
    x = 373,760.78

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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.