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Finding the Fourth Proportional to 303.30, 455.00 and 110.94

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Solution

The fourth proportional to 303.30, 455.00 and 110.94 is: 166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.30 : 455.00 = 110.94 : x
  2. Step 2: Convert to fraction form
    303.30/455.00 = 110.94/x
  3. Step 3: Cross multiply
    303.30x = 455.00 × 110.94
  4. Step 4: Simplify right side
    303.30x = 50,475.70
  5. Step 5: Solve for x
    x = 50,475.70/303.30
  6. Step 6: Final answer
    x = 166.42

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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.