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Finding the Fourth Proportional to 263.46, 363.57 and 152.94

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Solution

The fourth proportional to 263.46, 363.57 and 152.94 is: 211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.46 : 363.57 = 152.94 : x
  2. Step 2: Convert to fraction form
    263.46/363.57 = 152.94/x
  3. Step 3: Cross multiply
    263.46x = 363.57 × 152.94
  4. Step 4: Simplify right side
    263.46x = 55,604.40
  5. Step 5: Solve for x
    x = 55,604.40/263.46
  6. Step 6: Final answer
    x = 211.05

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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.