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Finding the Fourth Proportional to 351.50, 484.84 and 233.46

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Solution

The fourth proportional to 351.50, 484.84 and 233.46 is: 322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.50 : 484.84 = 233.46 : x
  2. Step 2: Convert to fraction form
    351.50/484.84 = 233.46/x
  3. Step 3: Cross multiply
    351.50x = 484.84 × 233.46
  4. Step 4: Simplify right side
    351.50x = 113,190.75
  5. Step 5: Solve for x
    x = 113,190.75/351.50
  6. Step 6: Final answer
    x = 322.02

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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.