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Finding the Fourth Proportional to 263.45, 363.56 and 152.94

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Solution

The fourth proportional to 263.45, 363.56 and 152.94 is: 211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.45 : 363.56 = 152.94 : x
  2. Step 2: Convert to fraction form
    263.45/363.56 = 152.94/x
  3. Step 3: Cross multiply
    263.45x = 363.56 × 152.94
  4. Step 4: Simplify right side
    263.45x = 55,603.47
  5. Step 5: Solve for x
    x = 55,603.47/263.45
  6. Step 6: Final answer
    x = 211.06

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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.