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Finding the Fourth Proportional to 332,716.20, 499,074.30 and 133,067.40

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Solution

The fourth proportional to 332,716.20, 499,074.30 and 133,067.40 is: 199,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,716.20 : 499,074.30 = 133,067.40 : x
  2. Step 2: Convert to fraction form
    332,716.20/499,074.30 = 133,067.40/x
  3. Step 3: Cross multiply
    332,716.20x = 499,074.30 × 133,067.40
  4. Step 4: Simplify right side
    332,716.20x = 66,410,519,507.82
  5. Step 5: Solve for x
    x = 66,410,519,507.82/332,716.20
  6. Step 6: Final answer
    x = 199,601.10

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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.