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Finding the Fourth Proportional to 822.97, 1,233.84 and 498.26

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Solution

The fourth proportional to 822.97, 1,233.84 and 498.26 is: 747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    822.97 : 1,233.84 = 498.26 : x
  2. Step 2: Convert to fraction form
    822.97/1,233.84 = 498.26/x
  3. Step 3: Cross multiply
    822.97x = 1,233.84 × 498.26
  4. Step 4: Simplify right side
    822.97x = 614,773.12
  5. Step 5: Solve for x
    x = 614,773.12/822.97
  6. Step 6: Final answer
    x = 747.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.