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Finding the Fourth Proportional to 324,693.76, 448,079.05 and 181,456.20

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Solution

The fourth proportional to 324,693.76, 448,079.05 and 181,456.20 is: 250,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,693.76 : 448,079.05 = 181,456.20 : x
  2. Step 2: Convert to fraction form
    324,693.76/448,079.05 = 181,456.20/x
  3. Step 3: Cross multiply
    324,693.76x = 448,079.05 × 181,456.20
  4. Step 4: Simplify right side
    324,693.76x = 81,306,721,712.61
  5. Step 5: Solve for x
    x = 81,306,721,712.61/324,693.76
  6. Step 6: Final answer
    x = 250,410.48

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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.