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Finding the Fourth Proportional to 322,388.82, 444,766.64 and 194,842.98

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Solution

The fourth proportional to 322,388.82, 444,766.64 and 194,842.98 is: 268,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,388.82 : 444,766.64 = 194,842.98 : x
  2. Step 2: Convert to fraction form
    322,388.82/444,766.64 = 194,842.98/x
  3. Step 3: Cross multiply
    322,388.82x = 444,766.64 × 194,842.98
  4. Step 4: Simplify right side
    322,388.82x = 86,659,657,542.19
  5. Step 5: Solve for x
    x = 86,659,657,542.19/322,388.82
  6. Step 6: Final answer
    x = 268,804.79

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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.