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Finding the Fourth Proportional to 1,232.04, 1,849.26 and 684.48

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Solution

The fourth proportional to 1,232.04, 1,849.26 and 684.48 is: 1,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.04 : 1,849.26 = 684.48 : x
  2. Step 2: Convert to fraction form
    1,232.04/1,849.26 = 684.48/x
  3. Step 3: Cross multiply
    1,232.04x = 1,849.26 × 684.48
  4. Step 4: Simplify right side
    1,232.04x = 1,265,781.48
  5. Step 5: Solve for x
    x = 1,265,781.48/1,232.04
  6. Step 6: Final answer
    x = 1,027.39

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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.