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Finding the Fourth Proportional to 302.64, 454.02 and 110.28

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Solution

The fourth proportional to 302.64, 454.02 and 110.28 is: 165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.64 : 454.02 = 110.28 : x
  2. Step 2: Convert to fraction form
    302.64/454.02 = 110.28/x
  3. Step 3: Cross multiply
    302.64x = 454.02 × 110.28
  4. Step 4: Simplify right side
    302.64x = 50,069.33
  5. Step 5: Solve for x
    x = 50,069.33/302.64
  6. Step 6: Final answer
    x = 165.44

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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.