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Finding the Fourth Proportional to 322,662.82, 445,256.38 and 179,419.80

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Solution

The fourth proportional to 322,662.82, 445,256.38 and 179,419.80 is: 247,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,662.82 : 445,256.38 = 179,419.80 : x
  2. Step 2: Convert to fraction form
    322,662.82/445,256.38 = 179,419.80/x
  3. Step 3: Cross multiply
    322,662.82x = 445,256.38 × 179,419.80
  4. Step 4: Simplify right side
    322,662.82x = 79,887,810,648.32
  5. Step 5: Solve for x
    x = 79,887,810,648.32/322,662.82
  6. Step 6: Final answer
    x = 247,589.14

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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.