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Finding the Fourth Proportional to 361.11, 498.33 and 195.32

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Solution

The fourth proportional to 361.11, 498.33 and 195.32 is: 269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.11 : 498.33 = 195.32 : x
  2. Step 2: Convert to fraction form
    361.11/498.33 = 195.32/x
  3. Step 3: Cross multiply
    361.11x = 498.33 × 195.32
  4. Step 4: Simplify right side
    361.11x = 97,335.06
  5. Step 5: Solve for x
    x = 97,335.06/361.11
  6. Step 6: Final answer
    x = 269.54

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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.