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Finding the Fourth Proportional to 262.96, 395.86 and 236.50

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Solution

The fourth proportional to 262.96, 395.86 and 236.50 is: 356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.96 : 395.86 = 236.50 : x
  2. Step 2: Convert to fraction form
    262.96/395.86 = 236.50/x
  3. Step 3: Cross multiply
    262.96x = 395.86 × 236.50
  4. Step 4: Simplify right side
    262.96x = 93,620.89
  5. Step 5: Solve for x
    x = 93,620.89/262.96
  6. Step 6: Final answer
    x = 356.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.