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Finding the Fourth Proportional to 496,230.60, 744,540.30 and 196,660.20

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Solution

The fourth proportional to 496,230.60, 744,540.30 and 196,660.20 is: 295,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,230.60 : 744,540.30 = 196,660.20 : x
  2. Step 2: Convert to fraction form
    496,230.60/744,540.30 = 196,660.20/x
  3. Step 3: Cross multiply
    496,230.60x = 744,540.30 × 196,660.20
  4. Step 4: Simplify right side
    496,230.60x = 146,421,444,306.06
  5. Step 5: Solve for x
    x = 146,421,444,306.06/496,230.60
  6. Step 6: Final answer
    x = 295,067.34

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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.