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Finding the Fourth Proportional to 263.34, 363.46 and 170.08

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Solution

The fourth proportional to 263.34, 363.46 and 170.08 is: 234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 363.46 = 170.08 : x
  2. Step 2: Convert to fraction form
    263.34/363.46 = 170.08/x
  3. Step 3: Cross multiply
    263.34x = 363.46 × 170.08
  4. Step 4: Simplify right side
    263.34x = 61,817.28
  5. Step 5: Solve for x
    x = 61,817.28/263.34
  6. Step 6: Final answer
    x = 234.74

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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.