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Finding the Fourth Proportional to 336.29, 503.66 and 238.46

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Solution

The fourth proportional to 336.29, 503.66 and 238.46 is: 357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.29 : 503.66 = 238.46 : x
  2. Step 2: Convert to fraction form
    336.29/503.66 = 238.46/x
  3. Step 3: Cross multiply
    336.29x = 503.66 × 238.46
  4. Step 4: Simplify right side
    336.29x = 120,099.05
  5. Step 5: Solve for x
    x = 120,099.05/336.29
  6. Step 6: Final answer
    x = 357.13

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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.