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Finding the Fourth Proportional to 330.47, 496.04 and 176.36

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Solution

The fourth proportional to 330.47, 496.04 and 176.36 is: 264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.47 : 496.04 = 176.36 : x
  2. Step 2: Convert to fraction form
    330.47/496.04 = 176.36/x
  3. Step 3: Cross multiply
    330.47x = 496.04 × 176.36
  4. Step 4: Simplify right side
    330.47x = 87,481.61
  5. Step 5: Solve for x
    x = 87,481.61/330.47
  6. Step 6: Final answer
    x = 264.72

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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.