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Finding the Fourth Proportional to 567.20, 850.08 and 542.96

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Solution

The fourth proportional to 567.20, 850.08 and 542.96 is: 813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.20 : 850.08 = 542.96 : x
  2. Step 2: Convert to fraction form
    567.20/850.08 = 542.96/x
  3. Step 3: Cross multiply
    567.20x = 850.08 × 542.96
  4. Step 4: Simplify right side
    567.20x = 461,559.44
  5. Step 5: Solve for x
    x = 461,559.44/567.20
  6. Step 6: Final answer
    x = 813.75

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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.