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Finding the Fourth Proportional to 329.32, 492.38 and 233

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Solution

The fourth proportional to 329.32, 492.38 and 233 is: 348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.32 : 492.38 = 233 : x
  2. Step 2: Convert to fraction form
    329.32/492.38 = 233/x
  3. Step 3: Cross multiply
    329.32x = 492.38 × 233
  4. Step 4: Simplify right side
    329.32x = 114,724.54
  5. Step 5: Solve for x
    x = 114,724.54/329.32
  6. Step 6: Final answer
    x = 348.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.