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Finding the Fourth Proportional to 336.24, 504.45 and 119.84

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Solution

The fourth proportional to 336.24, 504.45 and 119.84 is: 179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 504.45 = 119.84 : x
  2. Step 2: Convert to fraction form
    336.24/504.45 = 119.84/x
  3. Step 3: Cross multiply
    336.24x = 504.45 × 119.84
  4. Step 4: Simplify right side
    336.24x = 60,450.77
  5. Step 5: Solve for x
    x = 60,450.77/336.24
  6. Step 6: Final answer
    x = 179.78

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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.