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Finding the Fourth Proportional to 552.88, 829.16 and 361.52

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Solution

The fourth proportional to 552.88, 829.16 and 361.52 is: 542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.88 : 829.16 = 361.52 : x
  2. Step 2: Convert to fraction form
    552.88/829.16 = 361.52/x
  3. Step 3: Cross multiply
    552.88x = 829.16 × 361.52
  4. Step 4: Simplify right side
    552.88x = 299,757.92
  5. Step 5: Solve for x
    x = 299,757.92/552.88
  6. Step 6: Final answer
    x = 542.18

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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.