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Finding the Fourth Proportional to 349.46, 524.18 and 92.96

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Solution

The fourth proportional to 349.46, 524.18 and 92.96 is: 139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.46 : 524.18 = 92.96 : x
  2. Step 2: Convert to fraction form
    349.46/524.18 = 92.96/x
  3. Step 3: Cross multiply
    349.46x = 524.18 × 92.96
  4. Step 4: Simplify right side
    349.46x = 48,727.35
  5. Step 5: Solve for x
    x = 48,727.35/349.46
  6. Step 6: Final answer
    x = 139.44

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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.