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Finding the Fourth Proportional to 349.62, 524.25 and 118.41

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Solution

The fourth proportional to 349.62, 524.25 and 118.41 is: 177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.62 : 524.25 = 118.41 : x
  2. Step 2: Convert to fraction form
    349.62/524.25 = 118.41/x
  3. Step 3: Cross multiply
    349.62x = 524.25 × 118.41
  4. Step 4: Simplify right side
    349.62x = 62,076.44
  5. Step 5: Solve for x
    x = 62,076.44/349.62
  6. Step 6: Final answer
    x = 177.55

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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.