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Finding the Fourth Proportional to 567.54, 850.50 and 405.27

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Solution

The fourth proportional to 567.54, 850.50 and 405.27 is: 607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.54 : 850.50 = 405.27 : x
  2. Step 2: Convert to fraction form
    567.54/850.50 = 405.27/x
  3. Step 3: Cross multiply
    567.54x = 850.50 × 405.27
  4. Step 4: Simplify right side
    567.54x = 344,682.14
  5. Step 5: Solve for x
    x = 344,682.14/567.54
  6. Step 6: Final answer
    x = 607.33

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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.