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Finding the Fourth Proportional to 330.37, 495.70 and 176.26

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Solution

The fourth proportional to 330.37, 495.70 and 176.26 is: 264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.37 : 495.70 = 176.26 : x
  2. Step 2: Convert to fraction form
    330.37/495.70 = 176.26/x
  3. Step 3: Cross multiply
    330.37x = 495.70 × 176.26
  4. Step 4: Simplify right side
    330.37x = 87,372.08
  5. Step 5: Solve for x
    x = 87,372.08/330.37
  6. Step 6: Final answer
    x = 264.47

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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.