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Finding the Fourth Proportional to 796.52, 1,193.19 and 549.11

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Solution

The fourth proportional to 796.52, 1,193.19 and 549.11 is: 822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.52 : 1,193.19 = 549.11 : x
  2. Step 2: Convert to fraction form
    796.52/1,193.19 = 549.11/x
  3. Step 3: Cross multiply
    796.52x = 1,193.19 × 549.11
  4. Step 4: Simplify right side
    796.52x = 655,192.56
  5. Step 5: Solve for x
    x = 655,192.56/796.52
  6. Step 6: Final answer
    x = 822.57

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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.