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Finding the Fourth Proportional to 322,620.93, 445,207.73 and 179,378.37

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Solution

The fourth proportional to 322,620.93, 445,207.73 and 179,378.37 is: 247,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,620.93 : 445,207.73 = 179,378.37 : x
  2. Step 2: Convert to fraction form
    322,620.93/445,207.73 = 179,378.37/x
  3. Step 3: Cross multiply
    322,620.93x = 445,207.73 × 179,378.37
  4. Step 4: Simplify right side
    322,620.93x = 79,860,636,021.91
  5. Step 5: Solve for x
    x = 79,860,636,021.91/322,620.93
  6. Step 6: Final answer
    x = 247,537.06

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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.