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Finding the Fourth Proportional to 799.53, 1,196.51 and 552.99

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Solution

The fourth proportional to 799.53, 1,196.51 and 552.99 is: 827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    799.53 : 1,196.51 = 552.99 : x
  2. Step 2: Convert to fraction form
    799.53/1,196.51 = 552.99/x
  3. Step 3: Cross multiply
    799.53x = 1,196.51 × 552.99
  4. Step 4: Simplify right side
    799.53x = 661,655.30
  5. Step 5: Solve for x
    x = 661,655.30/799.53
  6. Step 6: Final answer
    x = 827.56

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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.