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Finding the Fourth Proportional to 683.64, 1,025.33 and 244.87

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Solution

The fourth proportional to 683.64, 1,025.33 and 244.87 is: 367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    683.64 : 1,025.33 = 244.87 : x
  2. Step 2: Convert to fraction form
    683.64/1,025.33 = 244.87/x
  3. Step 3: Cross multiply
    683.64x = 1,025.33 × 244.87
  4. Step 4: Simplify right side
    683.64x = 251,072.56
  5. Step 5: Solve for x
    x = 251,072.56/683.64
  6. Step 6: Final answer
    x = 367.26

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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.