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Finding the Fourth Proportional to 361,481.67, 498,850.18 and 198,136.94

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Solution

The fourth proportional to 361,481.67, 498,850.18 and 198,136.94 is: 273,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,481.67 : 498,850.18 = 198,136.94 : x
  2. Step 2: Convert to fraction form
    361,481.67/498,850.18 = 198,136.94/x
  3. Step 3: Cross multiply
    361,481.67x = 498,850.18 × 198,136.94
  4. Step 4: Simplify right side
    361,481.67x = 98,840,645,194.06
  5. Step 5: Solve for x
    x = 98,840,645,194.06/361,481.67
  6. Step 6: Final answer
    x = 273,431.97

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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.