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Finding the Fourth Proportional to 266,012.83, 396,122.34 and 263,067.67

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Solution

The fourth proportional to 266,012.83, 396,122.34 and 263,067.67 is: 391,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,012.83 : 396,122.34 = 263,067.67 : x
  2. Step 2: Convert to fraction form
    266,012.83/396,122.34 = 263,067.67/x
  3. Step 3: Cross multiply
    266,012.83x = 396,122.34 × 263,067.67
  4. Step 4: Simplify right side
    266,012.83x = 104,206,981,018.75
  5. Step 5: Solve for x
    x = 104,206,981,018.75/266,012.83
  6. Step 6: Final answer
    x = 391,736.67

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