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Finding the Fourth Proportional to 262.98, 362.61 and 169.74

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Solution

The fourth proportional to 262.98, 362.61 and 169.74 is: 234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.98 : 362.61 = 169.74 : x
  2. Step 2: Convert to fraction form
    262.98/362.61 = 169.74/x
  3. Step 3: Cross multiply
    262.98x = 362.61 × 169.74
  4. Step 4: Simplify right side
    262.98x = 61,549.42
  5. Step 5: Solve for x
    x = 61,549.42/262.98
  6. Step 6: Final answer
    x = 234.05

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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.