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Finding the Fourth Proportional to 302.20, 453.30 and 296.44

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Solution

The fourth proportional to 302.20, 453.30 and 296.44 is: 444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.20 : 453.30 = 296.44 : x
  2. Step 2: Convert to fraction form
    302.20/453.30 = 296.44/x
  3. Step 3: Cross multiply
    302.20x = 453.30 × 296.44
  4. Step 4: Simplify right side
    302.20x = 134,376.25
  5. Step 5: Solve for x
    x = 134,376.25/302.20
  6. Step 6: Final answer
    x = 444.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.