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Finding the Fourth Proportional to 546.70, 754.44 and 298

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Solution

The fourth proportional to 546.70, 754.44 and 298 is: 411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.70 : 754.44 = 298 : x
  2. Step 2: Convert to fraction form
    546.70/754.44 = 298/x
  3. Step 3: Cross multiply
    546.70x = 754.44 × 298
  4. Step 4: Simplify right side
    546.70x = 224,823.12
  5. Step 5: Solve for x
    x = 224,823.12/546.70
  6. Step 6: Final answer
    x = 411.24

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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.