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Finding the Third Proportional to 404.44 and 604.69

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Solution

The third proportional to 404.44 and 604.69 is: 904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.44 : 604.69 = 604.69 : x
  2. Step 2: Convert to fraction form
    404.44/604.69 = 604.69/x
  3. Step 3: Cross multiply
    404.44x = 604.69 × 604.69
  4. Step 4: Simplify right side
    404.44x = 365,646.97
  5. Step 5: Solve for x
    x = 365,646.97/404.44
  6. Step 6: Final answer
    x = 904.09

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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.