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Finding the Fourth Proportional to 336,012.27, 503,843.41 and 158,471.61

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Solution

The fourth proportional to 336,012.27, 503,843.41 and 158,471.61 is: 237,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,012.27 : 503,843.41 = 158,471.61 : x
  2. Step 2: Convert to fraction form
    336,012.27/503,843.41 = 158,471.61/x
  3. Step 3: Cross multiply
    336,012.27x = 503,843.41 × 158,471.61
  4. Step 4: Simplify right side
    336,012.27x = 79,844,876,370.59
  5. Step 5: Solve for x
    x = 79,844,876,370.59/336,012.27
  6. Step 6: Final answer
    x = 237,624.88

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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.