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Finding the Fourth Proportional to 1,336.33, 2,004.49 and 362.43

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Solution

The fourth proportional to 1,336.33, 2,004.49 and 362.43 is: 543.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.33 : 2,004.49 = 362.43 : x
  2. Step 2: Convert to fraction form
    1,336.33/2,004.49 = 362.43/x
  3. Step 3: Cross multiply
    1,336.33x = 2,004.49 × 362.43
  4. Step 4: Simplify right side
    1,336.33x = 726,487.31
  5. Step 5: Solve for x
    x = 726,487.31/1,336.33
  6. Step 6: Final answer
    x = 543.64

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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.