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Finding the Fourth Proportional to 546.59, 754.46 and 357.56

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Solution

The fourth proportional to 546.59, 754.46 and 357.56 is: 493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.59 : 754.46 = 357.56 : x
  2. Step 2: Convert to fraction form
    546.59/754.46 = 357.56/x
  3. Step 3: Cross multiply
    546.59x = 754.46 × 357.56
  4. Step 4: Simplify right side
    546.59x = 269,764.82
  5. Step 5: Solve for x
    x = 269,764.82/546.59
  6. Step 6: Final answer
    x = 493.54

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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.