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Finding the Fourth Proportional to 263.29, 363.33 and 146.85

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Solution

The fourth proportional to 263.29, 363.33 and 146.85 is: 202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.29 : 363.33 = 146.85 : x
  2. Step 2: Convert to fraction form
    263.29/363.33 = 146.85/x
  3. Step 3: Cross multiply
    263.29x = 363.33 × 146.85
  4. Step 4: Simplify right side
    263.29x = 53,355.01
  5. Step 5: Solve for x
    x = 53,355.01/263.29
  6. Step 6: Final answer
    x = 202.65

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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.