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Finding the Fourth Proportional to 263.37, 363.46 and 152.85

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Solution

The fourth proportional to 263.37, 363.46 and 152.85 is: 210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.37 : 363.46 = 152.85 : x
  2. Step 2: Convert to fraction form
    263.37/363.46 = 152.85/x
  3. Step 3: Cross multiply
    263.37x = 363.46 × 152.85
  4. Step 4: Simplify right side
    263.37x = 55,554.86
  5. Step 5: Solve for x
    x = 55,554.86/263.37
  6. Step 6: Final answer
    x = 210.94

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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.