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Finding the Fourth Proportional to 264.52, 365.88 and 199.72

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Solution

The fourth proportional to 264.52, 365.88 and 199.72 is: 276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.52 : 365.88 = 199.72 : x
  2. Step 2: Convert to fraction form
    264.52/365.88 = 199.72/x
  3. Step 3: Cross multiply
    264.52x = 365.88 × 199.72
  4. Step 4: Simplify right side
    264.52x = 73,073.55
  5. Step 5: Solve for x
    x = 73,073.55/264.52
  6. Step 6: Final answer
    x = 276.25

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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.