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Finding the Fourth Proportional to 404.08, 605.28 and 296.44

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Solution

The fourth proportional to 404.08, 605.28 and 296.44 is: 444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.08 : 605.28 = 296.44 : x
  2. Step 2: Convert to fraction form
    404.08/605.28 = 296.44/x
  3. Step 3: Cross multiply
    404.08x = 605.28 × 296.44
  4. Step 4: Simplify right side
    404.08x = 179,429.20
  5. Step 5: Solve for x
    x = 179,429.20/404.08
  6. Step 6: Final answer
    x = 444.04

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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.