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Finding the Fourth Proportional to 547.92, 755.82 and 416.52

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Solution

The fourth proportional to 547.92, 755.82 and 416.52 is: 574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.92 : 755.82 = 416.52 : x
  2. Step 2: Convert to fraction form
    547.92/755.82 = 416.52/x
  3. Step 3: Cross multiply
    547.92x = 755.82 × 416.52
  4. Step 4: Simplify right side
    547.92x = 314,814.15
  5. Step 5: Solve for x
    x = 314,814.15/547.92
  6. Step 6: Final answer
    x = 574.56

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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.