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Finding the Fourth Proportional to 361,629.46, 499,060.79 and 200,474.90

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Solution

The fourth proportional to 361,629.46, 499,060.79 and 200,474.90 is: 276,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,629.46 : 499,060.79 = 200,474.90 : x
  2. Step 2: Convert to fraction form
    361,629.46/499,060.79 = 200,474.90/x
  3. Step 3: Cross multiply
    361,629.46x = 499,060.79 × 200,474.90
  4. Step 4: Simplify right side
    361,629.46x = 100,049,162,222.42
  5. Step 5: Solve for x
    x = 100,049,162,222.42/361,629.46
  6. Step 6: Final answer
    x = 276,662.09

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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.