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Finding the Fourth Proportional to 629.24, 942.96 and 552.02

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Solution

The fourth proportional to 629.24, 942.96 and 552.02 is: 827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.24 : 942.96 = 552.02 : x
  2. Step 2: Convert to fraction form
    629.24/942.96 = 552.02/x
  3. Step 3: Cross multiply
    629.24x = 942.96 × 552.02
  4. Step 4: Simplify right side
    629.24x = 520,532.78
  5. Step 5: Solve for x
    x = 520,532.78/629.24
  6. Step 6: Final answer
    x = 827.24

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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.