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Finding the Fourth Proportional to 363, 501.08 and 238.64

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Solution

The fourth proportional to 363, 501.08 and 238.64 is: 329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 501.08 = 238.64 : x
  2. Step 2: Convert to fraction form
    363/501.08 = 238.64/x
  3. Step 3: Cross multiply
    363x = 501.08 × 238.64
  4. Step 4: Simplify right side
    363x = 119,577.73
  5. Step 5: Solve for x
    x = 119,577.73/363
  6. Step 6: Final answer
    x = 329.42

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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.