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Finding the Fourth Proportional to 361.93, 542.96 and 179.34

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Solution

The fourth proportional to 361.93, 542.96 and 179.34 is: 269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.93 : 542.96 = 179.34 : x
  2. Step 2: Convert to fraction form
    361.93/542.96 = 179.34/x
  3. Step 3: Cross multiply
    361.93x = 542.96 × 179.34
  4. Step 4: Simplify right side
    361.93x = 97,372.19
  5. Step 5: Solve for x
    x = 97,372.19/361.93
  6. Step 6: Final answer
    x = 269.03

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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.