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Finding the Fourth Proportional to 324,954.40, 448,434 and 181,712.80

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Solution

The fourth proportional to 324,954.40, 448,434 and 181,712.80 is: 250,761.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,954.40 : 448,434 = 181,712.80 : x
  2. Step 2: Convert to fraction form
    324,954.40/448,434 = 181,712.80/x
  3. Step 3: Cross multiply
    324,954.40x = 448,434 × 181,712.80
  4. Step 4: Simplify right side
    324,954.40x = 81,486,197,755.20
  5. Step 5: Solve for x
    x = 81,486,197,755.20/324,954.40
  6. Step 6: Final answer
    x = 250,761.95

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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.