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Finding the Fourth Proportional to 361,760.98, 499,231.50 and 200,630.92

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Solution

The fourth proportional to 361,760.98, 499,231.50 and 200,630.92 is: 276,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,760.98 : 499,231.50 = 200,630.92 : x
  2. Step 2: Convert to fraction form
    361,760.98/499,231.50 = 200,630.92/x
  3. Step 3: Cross multiply
    361,760.98x = 499,231.50 × 200,630.92
  4. Step 4: Simplify right side
    361,760.98x = 100,161,275,137.98
  5. Step 5: Solve for x
    x = 100,161,275,137.98/361,760.98
  6. Step 6: Final answer
    x = 276,871.42

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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.