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Finding the Fourth Proportional to 322,577.48, 445,185.29 and 177,408.83

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Solution

The fourth proportional to 322,577.48, 445,185.29 and 177,408.83 is: 244,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,577.48 : 445,185.29 = 177,408.83 : x
  2. Step 2: Convert to fraction form
    322,577.48/445,185.29 = 177,408.83/x
  3. Step 3: Cross multiply
    322,577.48x = 445,185.29 × 177,408.83
  4. Step 4: Simplify right side
    322,577.48x = 78,979,802,988.60
  5. Step 5: Solve for x
    x = 78,979,802,988.60/322,577.48
  6. Step 6: Final answer
    x = 244,839.79

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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.