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Finding the Fourth Proportional to 271,203.60, 406,404.45 and 196,481.10

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Solution

The fourth proportional to 271,203.60, 406,404.45 and 196,481.10 is: 294,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,203.60 : 406,404.45 = 196,481.10 : x
  2. Step 2: Convert to fraction form
    271,203.60/406,404.45 = 196,481.10/x
  3. Step 3: Cross multiply
    271,203.60x = 406,404.45 × 196,481.10
  4. Step 4: Simplify right side
    271,203.60x = 79,850,793,380.90
  5. Step 5: Solve for x
    x = 79,850,793,380.90/271,203.60
  6. Step 6: Final answer
    x = 294,431.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.