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Finding the Fourth Proportional to 322,727.37, 445,361.31 and 177,530.03

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Solution

The fourth proportional to 322,727.37, 445,361.31 and 177,530.03 is: 244,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,727.37 : 445,361.31 = 177,530.03 : x
  2. Step 2: Convert to fraction form
    322,727.37/445,361.31 = 177,530.03/x
  3. Step 3: Cross multiply
    322,727.37x = 445,361.31 × 177,530.03
  4. Step 4: Simplify right side
    322,727.37x = 79,065,007,838.54
  5. Step 5: Solve for x
    x = 79,065,007,838.54/322,727.37
  6. Step 6: Final answer
    x = 244,990.09

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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.