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Finding the Fourth Proportional to 349.43, 484.69 and 336.97

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Solution

The fourth proportional to 349.43, 484.69 and 336.97 is: 467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.43 : 484.69 = 336.97 : x
  2. Step 2: Convert to fraction form
    349.43/484.69 = 336.97/x
  3. Step 3: Cross multiply
    349.43x = 484.69 × 336.97
  4. Step 4: Simplify right side
    349.43x = 163,325.99
  5. Step 5: Solve for x
    x = 163,325.99/349.43
  6. Step 6: Final answer
    x = 467.41

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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.