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Finding the Fourth Proportional to 351,591.93, 485,162.10 and 196,514.19

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Solution

The fourth proportional to 351,591.93, 485,162.10 and 196,514.19 is: 271,170.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,591.93 : 485,162.10 = 196,514.19 : x
  2. Step 2: Convert to fraction form
    351,591.93/485,162.10 = 196,514.19/x
  3. Step 3: Cross multiply
    351,591.93x = 485,162.10 × 196,514.19
  4. Step 4: Simplify right side
    351,591.93x = 95,341,237,100.20
  5. Step 5: Solve for x
    x = 95,341,237,100.20/351,591.93
  6. Step 6: Final answer
    x = 271,170.15

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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.