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Finding the Fourth Proportional to 330.95, 496.28 and 176.83

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Solution

The fourth proportional to 330.95, 496.28 and 176.83 is: 265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.95 : 496.28 = 176.83 : x
  2. Step 2: Convert to fraction form
    330.95/496.28 = 176.83/x
  3. Step 3: Cross multiply
    330.95x = 496.28 × 176.83
  4. Step 4: Simplify right side
    330.95x = 87,758.19
  5. Step 5: Solve for x
    x = 87,758.19/330.95
  6. Step 6: Final answer
    x = 265.17

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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.