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Finding the Fourth Proportional to 264.54, 365.10 and 198.93

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Solution

The fourth proportional to 264.54, 365.10 and 198.93 is: 274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.54 : 365.10 = 198.93 : x
  2. Step 2: Convert to fraction form
    264.54/365.10 = 198.93/x
  3. Step 3: Cross multiply
    264.54x = 365.10 × 198.93
  4. Step 4: Simplify right side
    264.54x = 72,629.34
  5. Step 5: Solve for x
    x = 72,629.34/264.54
  6. Step 6: Final answer
    x = 274.55

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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.