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Finding the Fourth Proportional to 546.14, 754.08 and 349.76

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Solution

The fourth proportional to 546.14, 754.08 and 349.76 is: 482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.14 : 754.08 = 349.76 : x
  2. Step 2: Convert to fraction form
    546.14/754.08 = 349.76/x
  3. Step 3: Cross multiply
    546.14x = 754.08 × 349.76
  4. Step 4: Simplify right side
    546.14x = 263,747.02
  5. Step 5: Solve for x
    x = 263,747.02/546.14
  6. Step 6: Final answer
    x = 482.93

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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.