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Finding the Fourth Proportional to 203.52, 303.54 and 196.32

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Solution

The fourth proportional to 203.52, 303.54 and 196.32 is: 292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.52 : 303.54 = 196.32 : x
  2. Step 2: Convert to fraction form
    203.52/303.54 = 196.32/x
  3. Step 3: Cross multiply
    203.52x = 303.54 × 196.32
  4. Step 4: Simplify right side
    203.52x = 59,590.97
  5. Step 5: Solve for x
    x = 59,590.97/203.52
  6. Step 6: Final answer
    x = 292.80

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.