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Finding the Fourth Proportional to 567.12, 850.66 and 177.12

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Solution

The fourth proportional to 567.12, 850.66 and 177.12 is: 265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.12 : 850.66 = 177.12 : x
  2. Step 2: Convert to fraction form
    567.12/850.66 = 177.12/x
  3. Step 3: Cross multiply
    567.12x = 850.66 × 177.12
  4. Step 4: Simplify right side
    567.12x = 150,668.90
  5. Step 5: Solve for x
    x = 150,668.90/567.12
  6. Step 6: Final answer
    x = 265.67

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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.