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Finding the Fourth Proportional to 797.33, 1,194.68 and 766.95

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Solution

The fourth proportional to 797.33, 1,194.68 and 766.95 is: 1,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.33 : 1,194.68 = 766.95 : x
  2. Step 2: Convert to fraction form
    797.33/1,194.68 = 766.95/x
  3. Step 3: Cross multiply
    797.33x = 1,194.68 × 766.95
  4. Step 4: Simplify right side
    797.33x = 916,259.83
  5. Step 5: Solve for x
    x = 916,259.83/797.33
  6. Step 6: Final answer
    x = 1,149.16

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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.