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Finding the Fourth Proportional to 219,760.80, 327,793.70 and 199,579.56

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Solution

The fourth proportional to 219,760.80, 327,793.70 and 199,579.56 is: 297,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,760.80 : 327,793.70 = 199,579.56 : x
  2. Step 2: Convert to fraction form
    219,760.80/327,793.70 = 199,579.56/x
  3. Step 3: Cross multiply
    219,760.80x = 327,793.70 × 199,579.56
  4. Step 4: Simplify right side
    219,760.80x = 65,420,922,416.77
  5. Step 5: Solve for x
    x = 65,420,922,416.77/219,760.80
  6. Step 6: Final answer
    x = 297,691.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.