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Finding the Fourth Proportional to 350.70, 526.18 and 168.24

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Solution

The fourth proportional to 350.70, 526.18 and 168.24 is: 252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.70 : 526.18 = 168.24 : x
  2. Step 2: Convert to fraction form
    350.70/526.18 = 168.24/x
  3. Step 3: Cross multiply
    350.70x = 526.18 × 168.24
  4. Step 4: Simplify right side
    350.70x = 88,524.52
  5. Step 5: Solve for x
    x = 88,524.52/350.70
  6. Step 6: Final answer
    x = 252.42

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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.