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Finding the Fourth Proportional to 567.46, 850.73 and 521.90

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Solution

The fourth proportional to 567.46, 850.73 and 521.90 is: 782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.46 : 850.73 = 521.90 : x
  2. Step 2: Convert to fraction form
    567.46/850.73 = 521.90/x
  3. Step 3: Cross multiply
    567.46x = 850.73 × 521.90
  4. Step 4: Simplify right side
    567.46x = 443,991.73
  5. Step 5: Solve for x
    x = 443,991.73/567.46
  6. Step 6: Final answer
    x = 782.43

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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.