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Finding the Fourth Proportional to 372.94, 514.66 and 233.12

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Solution

The fourth proportional to 372.94, 514.66 and 233.12 is: 321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.94 : 514.66 = 233.12 : x
  2. Step 2: Convert to fraction form
    372.94/514.66 = 233.12/x
  3. Step 3: Cross multiply
    372.94x = 514.66 × 233.12
  4. Step 4: Simplify right side
    372.94x = 119,977.54
  5. Step 5: Solve for x
    x = 119,977.54/372.94
  6. Step 6: Final answer
    x = 321.71

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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.