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Finding the Fourth Proportional to 422,481.44, 633,713.18 and 102,634.82

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Solution

The fourth proportional to 422,481.44, 633,713.18 and 102,634.82 is: 153,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,481.44 : 633,713.18 = 102,634.82 : x
  2. Step 2: Convert to fraction form
    422,481.44/633,713.18 = 102,634.82/x
  3. Step 3: Cross multiply
    422,481.44x = 633,713.18 × 102,634.82
  4. Step 4: Simplify right side
    422,481.44x = 65,041,036,855.61
  5. Step 5: Solve for x
    x = 65,041,036,855.61/422,481.44
  6. Step 6: Final answer
    x = 153,950.04

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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.