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Finding the Fourth Proportional to 567.77, 851.82 and 177.82

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Solution

The fourth proportional to 567.77, 851.82 and 177.82 is: 266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.77 : 851.82 = 177.82 : x
  2. Step 2: Convert to fraction form
    567.77/851.82 = 177.82/x
  3. Step 3: Cross multiply
    567.77x = 851.82 × 177.82
  4. Step 4: Simplify right side
    567.77x = 151,472.14
  5. Step 5: Solve for x
    x = 151,472.14/567.77
  6. Step 6: Final answer
    x = 266.79

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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.