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Finding the Fourth Proportional to 336.52, 504.96 and 120.25

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Solution

The fourth proportional to 336.52, 504.96 and 120.25 is: 180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.52 : 504.96 = 120.25 : x
  2. Step 2: Convert to fraction form
    336.52/504.96 = 120.25/x
  3. Step 3: Cross multiply
    336.52x = 504.96 × 120.25
  4. Step 4: Simplify right side
    336.52x = 60,721.44
  5. Step 5: Solve for x
    x = 60,721.44/336.52
  6. Step 6: Final answer
    x = 180.44

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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.