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Finding the Fourth Proportional to 546.92, 754.74 and 298.23

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Solution

The fourth proportional to 546.92, 754.74 and 298.23 is: 411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.92 : 754.74 = 298.23 : x
  2. Step 2: Convert to fraction form
    546.92/754.74 = 298.23/x
  3. Step 3: Cross multiply
    546.92x = 754.74 × 298.23
  4. Step 4: Simplify right side
    546.92x = 225,086.11
  5. Step 5: Solve for x
    x = 225,086.11/546.92
  6. Step 6: Final answer
    x = 411.56

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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.