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Finding the Fourth Proportional to 567.97, 850.91 and 394.25

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Solution

The fourth proportional to 567.97, 850.91 and 394.25 is: 590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.97 : 850.91 = 394.25 : x
  2. Step 2: Convert to fraction form
    567.97/850.91 = 394.25/x
  3. Step 3: Cross multiply
    567.97x = 850.91 × 394.25
  4. Step 4: Simplify right side
    567.97x = 335,465.04
  5. Step 5: Solve for x
    x = 335,465.04/567.97
  6. Step 6: Final answer
    x = 590.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.