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Finding the Fourth Proportional to 322,217.64, 444,660.17 and 178,991.01

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Solution

The fourth proportional to 322,217.64, 444,660.17 and 178,991.01 is: 247,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,217.64 : 444,660.17 = 178,991.01 : x
  2. Step 2: Convert to fraction form
    322,217.64/444,660.17 = 178,991.01/x
  3. Step 3: Cross multiply
    322,217.64x = 444,660.17 × 178,991.01
  4. Step 4: Simplify right side
    322,217.64x = 79,590,172,040.12
  5. Step 5: Solve for x
    x = 79,590,172,040.12/322,217.64
  6. Step 6: Final answer
    x = 247,007.49

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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.