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Finding the Fourth Proportional to 351.12, 484.53 and 232.95

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Solution

The fourth proportional to 351.12, 484.53 and 232.95 is: 321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.12 : 484.53 = 232.95 : x
  2. Step 2: Convert to fraction form
    351.12/484.53 = 232.95/x
  3. Step 3: Cross multiply
    351.12x = 484.53 × 232.95
  4. Step 4: Simplify right side
    351.12x = 112,871.26
  5. Step 5: Solve for x
    x = 112,871.26/351.12
  6. Step 6: Final answer
    x = 321.46

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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.