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Finding the Fourth Proportional to 324,981.75, 448,471.04 and 181,740.45

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Solution

The fourth proportional to 324,981.75, 448,471.04 and 181,740.45 is: 250,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,981.75 : 448,471.04 = 181,740.45 : x
  2. Step 2: Convert to fraction form
    324,981.75/448,471.04 = 181,740.45/x
  3. Step 3: Cross multiply
    324,981.75x = 448,471.04 × 181,740.45
  4. Step 4: Simplify right side
    324,981.75x = 81,505,327,712.87
  5. Step 5: Solve for x
    x = 81,505,327,712.87/324,981.75
  6. Step 6: Final answer
    x = 250,799.71

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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.