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Finding the Fourth Proportional to 552.92, 829.74 and 264.38

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Solution

The fourth proportional to 552.92, 829.74 and 264.38 is: 396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.92 : 829.74 = 264.38 : x
  2. Step 2: Convert to fraction form
    552.92/829.74 = 264.38/x
  3. Step 3: Cross multiply
    552.92x = 829.74 × 264.38
  4. Step 4: Simplify right side
    552.92x = 219,366.66
  5. Step 5: Solve for x
    x = 219,366.66/552.92
  6. Step 6: Final answer
    x = 396.74

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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.