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Finding the Fourth Proportional to 629.54, 944.43 and 196.59

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Solution

The fourth proportional to 629.54, 944.43 and 196.59 is: 294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.54 : 944.43 = 196.59 : x
  2. Step 2: Convert to fraction form
    629.54/944.43 = 196.59/x
  3. Step 3: Cross multiply
    629.54x = 944.43 × 196.59
  4. Step 4: Simplify right side
    629.54x = 185,668.30
  5. Step 5: Solve for x
    x = 185,668.30/629.54
  6. Step 6: Final answer
    x = 294.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.