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Finding the Fourth Proportional to 263.32, 395.03 and 236.11

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Solution

The fourth proportional to 263.32, 395.03 and 236.11 is: 354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.32 : 395.03 = 236.11 : x
  2. Step 2: Convert to fraction form
    263.32/395.03 = 236.11/x
  3. Step 3: Cross multiply
    263.32x = 395.03 × 236.11
  4. Step 4: Simplify right side
    263.32x = 93,270.53
  5. Step 5: Solve for x
    x = 93,270.53/263.32
  6. Step 6: Final answer
    x = 354.21

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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.