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Finding the Fourth Proportional to 324,657.09, 448,018.44 and 181,418.31

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Solution

The fourth proportional to 324,657.09, 448,018.44 and 181,418.31 is: 250,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,657.09 : 448,018.44 = 181,418.31 : x
  2. Step 2: Convert to fraction form
    324,657.09/448,018.44 = 181,418.31/x
  3. Step 3: Cross multiply
    324,657.09x = 448,018.44 × 181,418.31
  4. Step 4: Simplify right side
    324,657.09x = 81,278,748,233.64
  5. Step 5: Solve for x
    x = 81,278,748,233.64/324,657.09
  6. Step 6: Final answer
    x = 250,352.61

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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.