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Finding the Fourth Proportional to 349.74, 524.00 and 166.88

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Solution

The fourth proportional to 349.74, 524.00 and 166.88 is: 250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.74 : 524.00 = 166.88 : x
  2. Step 2: Convert to fraction form
    349.74/524.00 = 166.88/x
  3. Step 3: Cross multiply
    349.74x = 524.00 × 166.88
  4. Step 4: Simplify right side
    349.74x = 87,446.85
  5. Step 5: Solve for x
    x = 87,446.85/349.74
  6. Step 6: Final answer
    x = 250.03

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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.