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Finding the Fourth Proportional to 324,694.60, 448,071.10 and 181,467.97

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Solution

The fourth proportional to 324,694.60, 448,071.10 and 181,467.97 is: 250,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,694.60 : 448,071.10 = 181,467.97 : x
  2. Step 2: Convert to fraction form
    324,694.60/448,071.10 = 181,467.97/x
  3. Step 3: Cross multiply
    324,694.60x = 448,071.10 × 181,467.97
  4. Step 4: Simplify right side
    324,694.60x = 81,310,551,358.82
  5. Step 5: Solve for x
    x = 81,310,551,358.82/324,694.60
  6. Step 6: Final answer
    x = 250,421.63

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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.