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Finding the Fourth Proportional to 1,232.54, 1,847.19 and 684.44

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Solution

The fourth proportional to 1,232.54, 1,847.19 and 684.44 is: 1,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.54 : 1,847.19 = 684.44 : x
  2. Step 2: Convert to fraction form
    1,232.54/1,847.19 = 684.44/x
  3. Step 3: Cross multiply
    1,232.54x = 1,847.19 × 684.44
  4. Step 4: Simplify right side
    1,232.54x = 1,264,290.72
  5. Step 5: Solve for x
    x = 1,264,290.72/1,232.54
  6. Step 6: Final answer
    x = 1,025.76

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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.