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Finding the Fourth Proportional to 302.94, 454.61 and 110.56

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Solution

The fourth proportional to 302.94, 454.61 and 110.56 is: 165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.94 : 454.61 = 110.56 : x
  2. Step 2: Convert to fraction form
    302.94/454.61 = 110.56/x
  3. Step 3: Cross multiply
    302.94x = 454.61 × 110.56
  4. Step 4: Simplify right side
    302.94x = 50,261.68
  5. Step 5: Solve for x
    x = 50,261.68/302.94
  6. Step 6: Final answer
    x = 165.91

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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.