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Finding the Fourth Proportional to 262.45, 362.00 and 157.46

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Solution

The fourth proportional to 262.45, 362.00 and 157.46 is: 217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.45 : 362.00 = 157.46 : x
  2. Step 2: Convert to fraction form
    262.45/362.00 = 157.46/x
  3. Step 3: Cross multiply
    262.45x = 362.00 × 157.46
  4. Step 4: Simplify right side
    262.45x = 56,999.73
  5. Step 5: Solve for x
    x = 56,999.73/262.45
  6. Step 6: Final answer
    x = 217.19

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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.