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Finding the Fourth Proportional to 605.44, 906.70 and 296.54

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Solution

The fourth proportional to 605.44, 906.70 and 296.54 is: 444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.44 : 906.70 = 296.54 : x
  2. Step 2: Convert to fraction form
    605.44/906.70 = 296.54/x
  3. Step 3: Cross multiply
    605.44x = 906.70 × 296.54
  4. Step 4: Simplify right side
    605.44x = 268,872.82
  5. Step 5: Solve for x
    x = 268,872.82/605.44
  6. Step 6: Final answer
    x = 444.09

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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.