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Finding the Fourth Proportional to 336.32, 504.41 and 119.85

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Solution

The fourth proportional to 336.32, 504.41 and 119.85 is: 179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.32 : 504.41 = 119.85 : x
  2. Step 2: Convert to fraction form
    336.32/504.41 = 119.85/x
  3. Step 3: Cross multiply
    336.32x = 504.41 × 119.85
  4. Step 4: Simplify right side
    336.32x = 60,452.94
  5. Step 5: Solve for x
    x = 60,452.94/336.32
  6. Step 6: Final answer
    x = 179.75

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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.