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Finding the Fourth Proportional to 567.29, 850.94 and 423.92

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Solution

The fourth proportional to 567.29, 850.94 and 423.92 is: 635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.29 : 850.94 = 423.92 : x
  2. Step 2: Convert to fraction form
    567.29/850.94 = 423.92/x
  3. Step 3: Cross multiply
    567.29x = 850.94 × 423.92
  4. Step 4: Simplify right side
    567.29x = 360,730.48
  5. Step 5: Solve for x
    x = 360,730.48/567.29
  6. Step 6: Final answer
    x = 635.88

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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.