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Finding the Fourth Proportional to 263.30, 363.26 and 146.84

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Solution

The fourth proportional to 263.30, 363.26 and 146.84 is: 202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.30 : 363.26 = 146.84 : x
  2. Step 2: Convert to fraction form
    263.30/363.26 = 146.84/x
  3. Step 3: Cross multiply
    263.30x = 363.26 × 146.84
  4. Step 4: Simplify right side
    263.30x = 53,339.65
  5. Step 5: Solve for x
    x = 53,339.65/263.30
  6. Step 6: Final answer
    x = 202.59

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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.