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Finding the Fourth Proportional to 349.44, 524.14 and 118.29

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Solution

The fourth proportional to 349.44, 524.14 and 118.29 is: 177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.44 : 524.14 = 118.29 : x
  2. Step 2: Convert to fraction form
    349.44/524.14 = 118.29/x
  3. Step 3: Cross multiply
    349.44x = 524.14 × 118.29
  4. Step 4: Simplify right side
    349.44x = 61,999.93
  5. Step 5: Solve for x
    x = 61,999.93/349.44
  6. Step 6: Final answer
    x = 177.43

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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.