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Finding the Fourth Proportional to 263,481.66, 363,604.77 and 142,622.55

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Solution

The fourth proportional to 263,481.66, 363,604.77 and 142,622.55 is: 196,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,481.66 : 363,604.77 = 142,622.55 : x
  2. Step 2: Convert to fraction form
    263,481.66/363,604.77 = 142,622.55/x
  3. Step 3: Cross multiply
    263,481.66x = 363,604.77 × 142,622.55
  4. Step 4: Simplify right side
    263,481.66x = 51,858,239,489.56
  5. Step 5: Solve for x
    x = 51,858,239,489.56/263,481.66
  6. Step 6: Final answer
    x = 196,819.16

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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.