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Finding the Fourth Proportional to 547.26, 755.32 and 416.04

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Solution

The fourth proportional to 547.26, 755.32 and 416.04 is: 574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    547.26 : 755.32 = 416.04 : x
  2. Step 2: Convert to fraction form
    547.26/755.32 = 416.04/x
  3. Step 3: Cross multiply
    547.26x = 755.32 × 416.04
  4. Step 4: Simplify right side
    547.26x = 314,243.33
  5. Step 5: Solve for x
    x = 314,243.33/547.26
  6. Step 6: Final answer
    x = 574.21

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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.