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Finding the Fourth Proportional to 351.05, 484.33 and 233.25

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Solution

The fourth proportional to 351.05, 484.33 and 233.25 is: 321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.05 : 484.33 = 233.25 : x
  2. Step 2: Convert to fraction form
    351.05/484.33 = 233.25/x
  3. Step 3: Cross multiply
    351.05x = 484.33 × 233.25
  4. Step 4: Simplify right side
    351.05x = 112,968.01
  5. Step 5: Solve for x
    x = 112,968.01/351.05
  6. Step 6: Final answer
    x = 321.80

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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.