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Finding the Fourth Proportional to 223,998.30, 335,997.45 and 206,891.10

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Solution

The fourth proportional to 223,998.30, 335,997.45 and 206,891.10 is: 310,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,998.30 : 335,997.45 = 206,891.10 : x
  2. Step 2: Convert to fraction form
    223,998.30/335,997.45 = 206,891.10/x
  3. Step 3: Cross multiply
    223,998.30x = 335,997.45 × 206,891.10
  4. Step 4: Simplify right side
    223,998.30x = 69,514,882,027.70
  5. Step 5: Solve for x
    x = 69,514,882,027.70/223,998.30
  6. Step 6: Final answer
    x = 310,336.65

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1.5x scale

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.