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Finding the Fourth Proportional to 361,777.25, 499,252.61 and 200,656.97

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Solution

The fourth proportional to 361,777.25, 499,252.61 and 200,656.97 is: 276,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,777.25 : 499,252.61 = 200,656.97 : x
  2. Step 2: Convert to fraction form
    361,777.25/499,252.61 = 200,656.97/x
  3. Step 3: Cross multiply
    361,777.25x = 499,252.61 × 200,656.97
  4. Step 4: Simplify right side
    361,777.25x = 100,178,514,983.91
  5. Step 5: Solve for x
    x = 100,178,514,983.91/361,777.25
  6. Step 6: Final answer
    x = 276,906.62

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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.