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Finding the Fourth Proportional to 322,107.92, 444,523.73 and 178,868.53

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Solution

The fourth proportional to 322,107.92, 444,523.73 and 178,868.53 is: 246,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,107.92 : 444,523.73 = 178,868.53 : x
  2. Step 2: Convert to fraction form
    322,107.92/444,523.73 = 178,868.53/x
  3. Step 3: Cross multiply
    322,107.92x = 444,523.73 × 178,868.53
  4. Step 4: Simplify right side
    322,107.92x = 79,511,303,018.26
  5. Step 5: Solve for x
    x = 79,511,303,018.26/322,107.92
  6. Step 6: Final answer
    x = 246,846.78

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1.5x scale

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.