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Finding the Fourth Proportional to 350.89, 484.07 and 234.49

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Solution

The fourth proportional to 350.89, 484.07 and 234.49 is: 323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.89 : 484.07 = 234.49 : x
  2. Step 2: Convert to fraction form
    350.89/484.07 = 234.49/x
  3. Step 3: Cross multiply
    350.89x = 484.07 × 234.49
  4. Step 4: Simplify right side
    350.89x = 113,507.74
  5. Step 5: Solve for x
    x = 113,507.74/350.89
  6. Step 6: Final answer
    x = 323.49

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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.