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Finding the Fourth Proportional to 264.96, 365.34 and 202.86

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Solution

The fourth proportional to 264.96, 365.34 and 202.86 is: 279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.96 : 365.34 = 202.86 : x
  2. Step 2: Convert to fraction form
    264.96/365.34 = 202.86/x
  3. Step 3: Cross multiply
    264.96x = 365.34 × 202.86
  4. Step 4: Simplify right side
    264.96x = 74,112.87
  5. Step 5: Solve for x
    x = 74,112.87/264.96
  6. Step 6: Final answer
    x = 279.71

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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.