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Finding the Fourth Proportional to 481.16, 663.86 and 333.96

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Solution

The fourth proportional to 481.16, 663.86 and 333.96 is: 460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.16 : 663.86 = 333.96 : x
  2. Step 2: Convert to fraction form
    481.16/663.86 = 333.96/x
  3. Step 3: Cross multiply
    481.16x = 663.86 × 333.96
  4. Step 4: Simplify right side
    481.16x = 221,702.69
  5. Step 5: Solve for x
    x = 221,702.69/481.16
  6. Step 6: Final answer
    x = 460.77

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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.