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Finding the Fourth Proportional to 797.43, 1,193.41 and 633.41

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Solution

The fourth proportional to 797.43, 1,193.41 and 633.41 is: 947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.43 : 1,193.41 = 633.41 : x
  2. Step 2: Convert to fraction form
    797.43/1,193.41 = 633.41/x
  3. Step 3: Cross multiply
    797.43x = 1,193.41 × 633.41
  4. Step 4: Simplify right side
    797.43x = 755,917.83
  5. Step 5: Solve for x
    x = 755,917.83/797.43
  6. Step 6: Final answer
    x = 947.94

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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.