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Finding the Fourth Proportional to 352,037.62, 485,811.30 and 196,989.04

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Solution

The fourth proportional to 352,037.62, 485,811.30 and 196,989.04 is: 271,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,037.62 : 485,811.30 = 196,989.04 : x
  2. Step 2: Convert to fraction form
    352,037.62/485,811.30 = 196,989.04/x
  3. Step 3: Cross multiply
    352,037.62x = 485,811.30 × 196,989.04
  4. Step 4: Simplify right side
    352,037.62x = 95,699,501,608.15
  5. Step 5: Solve for x
    x = 95,699,501,608.15/352,037.62
  6. Step 6: Final answer
    x = 271,844.53

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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.