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Finding the Fourth Proportional to 336.16, 503.34 and 238.12

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Solution

The fourth proportional to 336.16, 503.34 and 238.12 is: 356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.16 : 503.34 = 238.12 : x
  2. Step 2: Convert to fraction form
    336.16/503.34 = 238.12/x
  3. Step 3: Cross multiply
    336.16x = 503.34 × 238.12
  4. Step 4: Simplify right side
    336.16x = 119,855.32
  5. Step 5: Solve for x
    x = 119,855.32/336.16
  6. Step 6: Final answer
    x = 356.54

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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.