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Finding the Fourth Proportional to 336.24, 504.12 and 119.76

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Solution

The fourth proportional to 336.24, 504.12 and 119.76 is: 179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 504.12 = 119.76 : x
  2. Step 2: Convert to fraction form
    336.24/504.12 = 119.76/x
  3. Step 3: Cross multiply
    336.24x = 504.12 × 119.76
  4. Step 4: Simplify right side
    336.24x = 60,373.41
  5. Step 5: Solve for x
    x = 60,373.41/336.24
  6. Step 6: Final answer
    x = 179.55

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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.