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Finding the Fourth Proportional to 330.23, 495.26 and 183.92

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Solution

The fourth proportional to 330.23, 495.26 and 183.92 is: 275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.23 : 495.26 = 183.92 : x
  2. Step 2: Convert to fraction form
    330.23/495.26 = 183.92/x
  3. Step 3: Cross multiply
    330.23x = 495.26 × 183.92
  4. Step 4: Simplify right side
    330.23x = 91,089.33
  5. Step 5: Solve for x
    x = 91,089.33/330.23
  6. Step 6: Final answer
    x = 275.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.