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Finding the Fourth Proportional to 552.06, 762.48 and 502.92

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Solution

The fourth proportional to 552.06, 762.48 and 502.92 is: 694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.06 : 762.48 = 502.92 : x
  2. Step 2: Convert to fraction form
    552.06/762.48 = 502.92/x
  3. Step 3: Cross multiply
    552.06x = 762.48 × 502.92
  4. Step 4: Simplify right side
    552.06x = 383,466.44
  5. Step 5: Solve for x
    x = 383,466.44/552.06
  6. Step 6: Final answer
    x = 694.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.