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Finding the Fourth Proportional to 263.44, 363.54 and 152.92

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Solution

The fourth proportional to 263.44, 363.54 and 152.92 is: 211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.44 : 363.54 = 152.92 : x
  2. Step 2: Convert to fraction form
    263.44/363.54 = 152.92/x
  3. Step 3: Cross multiply
    263.44x = 363.54 × 152.92
  4. Step 4: Simplify right side
    263.44x = 55,590.72
  5. Step 5: Solve for x
    x = 55,590.72/263.44
  6. Step 6: Final answer
    x = 211.02

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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.