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Finding the Fourth Proportional to 336.57, 466.62 and 318.12

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Solution

The fourth proportional to 336.57, 466.62 and 318.12 is: 441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.57 : 466.62 = 318.12 : x
  2. Step 2: Convert to fraction form
    336.57/466.62 = 318.12/x
  3. Step 3: Cross multiply
    336.57x = 466.62 × 318.12
  4. Step 4: Simplify right side
    336.57x = 148,441.15
  5. Step 5: Solve for x
    x = 148,441.15/336.57
  6. Step 6: Final answer
    x = 441.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.