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Finding the Fourth Proportional to 1,233.97, 1,851.24 and 356.48

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Solution

The fourth proportional to 1,233.97, 1,851.24 and 356.48 is: 534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.97 : 1,851.24 = 356.48 : x
  2. Step 2: Convert to fraction form
    1,233.97/1,851.24 = 356.48/x
  3. Step 3: Cross multiply
    1,233.97x = 1,851.24 × 356.48
  4. Step 4: Simplify right side
    1,233.97x = 659,921.09
  5. Step 5: Solve for x
    x = 659,921.09/1,233.97
  6. Step 6: Final answer
    x = 534.80

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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.