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Finding the Fourth Proportional to 1,654.44, 2,481.41 and 484.13

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Solution

The fourth proportional to 1,654.44, 2,481.41 and 484.13 is: 726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.44 : 2,481.41 = 484.13 : x
  2. Step 2: Convert to fraction form
    1,654.44/2,481.41 = 484.13/x
  3. Step 3: Cross multiply
    1,654.44x = 2,481.41 × 484.13
  4. Step 4: Simplify right side
    1,654.44x = 1,201,325.02
  5. Step 5: Solve for x
    x = 1,201,325.02/1,654.44
  6. Step 6: Final answer
    x = 726.12

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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.