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Finding the Fourth Proportional to 993.52, 1,371.05 and 600.54

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Solution

The fourth proportional to 993.52, 1,371.05 and 600.54 is: 828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    993.52 : 1,371.05 = 600.54 : x
  2. Step 2: Convert to fraction form
    993.52/1,371.05 = 600.54/x
  3. Step 3: Cross multiply
    993.52x = 1,371.05 × 600.54
  4. Step 4: Simplify right side
    993.52x = 823,370.02
  5. Step 5: Solve for x
    x = 823,370.02/993.52
  6. Step 6: Final answer
    x = 828.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.