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Finding the Fourth Proportional to 1,233.36, 1,851.39 and 503.44

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Solution

The fourth proportional to 1,233.36, 1,851.39 and 503.44 is: 755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.36 : 1,851.39 = 503.44 : x
  2. Step 2: Convert to fraction form
    1,233.36/1,851.39 = 503.44/x
  3. Step 3: Cross multiply
    1,233.36x = 1,851.39 × 503.44
  4. Step 4: Simplify right side
    1,233.36x = 932,059.15
  5. Step 5: Solve for x
    x = 932,059.15/1,233.36
  6. Step 6: Final answer
    x = 755.71

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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.