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Finding the Fourth Proportional to 263.56, 363.60 and 186.04

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Solution

The fourth proportional to 263.56, 363.60 and 186.04 is: 256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.56 : 363.60 = 186.04 : x
  2. Step 2: Convert to fraction form
    263.56/363.60 = 186.04/x
  3. Step 3: Cross multiply
    263.56x = 363.60 × 186.04
  4. Step 4: Simplify right side
    263.56x = 67,644.14
  5. Step 5: Solve for x
    x = 67,644.14/263.56
  6. Step 6: Final answer
    x = 256.66

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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.