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Finding the Fourth Proportional to 264.27, 364.34 and 219.84

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Solution

The fourth proportional to 264.27, 364.34 and 219.84 is: 303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.27 : 364.34 = 219.84 : x
  2. Step 2: Convert to fraction form
    264.27/364.34 = 219.84/x
  3. Step 3: Cross multiply
    264.27x = 364.34 × 219.84
  4. Step 4: Simplify right side
    264.27x = 80,096.51
  5. Step 5: Solve for x
    x = 80,096.51/264.27
  6. Step 6: Final answer
    x = 303.09

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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.