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Finding the Fourth Proportional to 294,481.22, 406,333.94 and 173,578.32

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Solution

The fourth proportional to 294,481.22, 406,333.94 and 173,578.32 is: 239,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,481.22 : 406,333.94 = 173,578.32 : x
  2. Step 2: Convert to fraction form
    294,481.22/406,333.94 = 173,578.32/x
  3. Step 3: Cross multiply
    294,481.22x = 406,333.94 × 173,578.32
  4. Step 4: Simplify right side
    294,481.22x = 70,530,761,796.29
  5. Step 5: Solve for x
    x = 70,530,761,796.29/294,481.22
  6. Step 6: Final answer
    x = 239,508.53

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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.