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Finding the Fourth Proportional to 797.12, 1,100.75 and 600.29

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Solution

The fourth proportional to 797.12, 1,100.75 and 600.29 is: 828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.12 : 1,100.75 = 600.29 : x
  2. Step 2: Convert to fraction form
    797.12/1,100.75 = 600.29/x
  3. Step 3: Cross multiply
    797.12x = 1,100.75 × 600.29
  4. Step 4: Simplify right side
    797.12x = 660,760.71
  5. Step 5: Solve for x
    x = 660,760.71/797.12
  6. Step 6: Final answer
    x = 828.94

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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.