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Finding the Fourth Proportional to 2,408.81, 3,324.16 and 1,304.81

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Solution

The fourth proportional to 2,408.81, 3,324.16 and 1,304.81 is: 1,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.81 : 3,324.16 = 1,304.81 : x
  2. Step 2: Convert to fraction form
    2,408.81/3,324.16 = 1,304.81/x
  3. Step 3: Cross multiply
    2,408.81x = 3,324.16 × 1,304.81
  4. Step 4: Simplify right side
    2,408.81x = 4,337,397.21
  5. Step 5: Solve for x
    x = 4,337,397.21/2,408.81
  6. Step 6: Final answer
    x = 1,800.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.