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Finding the Fourth Proportional to 358,093.50, 494,173.08 and 196,951.20

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Solution

The fourth proportional to 358,093.50, 494,173.08 and 196,951.20 is: 271,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,093.50 : 494,173.08 = 196,951.20 : x
  2. Step 2: Convert to fraction form
    358,093.50/494,173.08 = 196,951.20/x
  3. Step 3: Cross multiply
    358,093.50x = 494,173.08 × 196,951.20
  4. Step 4: Simplify right side
    358,093.50x = 97,327,981,113.70
  5. Step 5: Solve for x
    x = 97,327,981,113.70/358,093.50
  6. Step 6: Final answer
    x = 271,794.88

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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.