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Finding the Fourth Proportional to 344.00, 474.73 and 196.68

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Solution

The fourth proportional to 344.00, 474.73 and 196.68 is: 271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.00 : 474.73 = 196.68 : x
  2. Step 2: Convert to fraction form
    344.00/474.73 = 196.68/x
  3. Step 3: Cross multiply
    344.00x = 474.73 × 196.68
  4. Step 4: Simplify right side
    344.00x = 93,369.40
  5. Step 5: Solve for x
    x = 93,369.40/344.00
  6. Step 6: Final answer
    x = 271.43

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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.