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Finding the Fourth Proportional to 567.69, 851.49 and 177.68

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Solution

The fourth proportional to 567.69, 851.49 and 177.68 is: 266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.69 : 851.49 = 177.68 : x
  2. Step 2: Convert to fraction form
    567.69/851.49 = 177.68/x
  3. Step 3: Cross multiply
    567.69x = 851.49 × 177.68
  4. Step 4: Simplify right side
    567.69x = 151,288.49
  5. Step 5: Solve for x
    x = 151,288.49/567.69
  6. Step 6: Final answer
    x = 266.50

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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.