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Finding the Fourth Proportional to 263.76, 395.83 and 177.26

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Solution

The fourth proportional to 263.76, 395.83 and 177.26 is: 266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.76 : 395.83 = 177.26 : x
  2. Step 2: Convert to fraction form
    263.76/395.83 = 177.26/x
  3. Step 3: Cross multiply
    263.76x = 395.83 × 177.26
  4. Step 4: Simplify right side
    263.76x = 70,164.83
  5. Step 5: Solve for x
    x = 70,164.83/263.76
  6. Step 6: Final answer
    x = 266.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.