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Finding the Fourth Proportional to 322,704.02, 445,342.23 and 177,515.84

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Solution

The fourth proportional to 322,704.02, 445,342.23 and 177,515.84 is: 244,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,704.02 : 445,342.23 = 177,515.84 : x
  2. Step 2: Convert to fraction form
    322,704.02/445,342.23 = 177,515.84/x
  3. Step 3: Cross multiply
    322,704.02x = 445,342.23 × 177,515.84
  4. Step 4: Simplify right side
    322,704.02x = 79,055,297,819.21
  5. Step 5: Solve for x
    x = 79,055,297,819.21/322,704.02
  6. Step 6: Final answer
    x = 244,977.73

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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.