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Finding the Fourth Proportional to 441.62, 609.51 and 336.54

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Solution

The fourth proportional to 441.62, 609.51 and 336.54 is: 464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.62 : 609.51 = 336.54 : x
  2. Step 2: Convert to fraction form
    441.62/609.51 = 336.54/x
  3. Step 3: Cross multiply
    441.62x = 609.51 × 336.54
  4. Step 4: Simplify right side
    441.62x = 205,122.72
  5. Step 5: Solve for x
    x = 205,122.72/441.62
  6. Step 6: Final answer
    x = 464.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.