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Finding the Fourth Proportional to 796.56, 1,196.28 and 652.56

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Solution

The fourth proportional to 796.56, 1,196.28 and 652.56 is: 980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.56 : 1,196.28 = 652.56 : x
  2. Step 2: Convert to fraction form
    796.56/1,196.28 = 652.56/x
  3. Step 3: Cross multiply
    796.56x = 1,196.28 × 652.56
  4. Step 4: Simplify right side
    796.56x = 780,644.48
  5. Step 5: Solve for x
    x = 780,644.48/796.56
  6. Step 6: Final answer
    x = 980.02

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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.