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Finding the Fourth Proportional to 369.36, 554.00 and 196.38

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Solution

The fourth proportional to 369.36, 554.00 and 196.38 is: 294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.36 : 554.00 = 196.38 : x
  2. Step 2: Convert to fraction form
    369.36/554.00 = 196.38/x
  3. Step 3: Cross multiply
    369.36x = 554.00 × 196.38
  4. Step 4: Simplify right side
    369.36x = 108,793.54
  5. Step 5: Solve for x
    x = 108,793.54/369.36
  6. Step 6: Final answer
    x = 294.55

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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.