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Finding the Fourth Proportional to 797.16, 1,198.78 and 566.76

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Solution

The fourth proportional to 797.16, 1,198.78 and 566.76 is: 852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.16 : 1,198.78 = 566.76 : x
  2. Step 2: Convert to fraction form
    797.16/1,198.78 = 566.76/x
  3. Step 3: Cross multiply
    797.16x = 1,198.78 × 566.76
  4. Step 4: Simplify right side
    797.16x = 679,420.55
  5. Step 5: Solve for x
    x = 679,420.55/797.16
  6. Step 6: Final answer
    x = 852.30

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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.