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Finding the Fourth Proportional to 567.66, 851.41 and 156.83

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Solution

The fourth proportional to 567.66, 851.41 and 156.83 is: 235.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.66 : 851.41 = 156.83 : x
  2. Step 2: Convert to fraction form
    567.66/851.41 = 156.83/x
  3. Step 3: Cross multiply
    567.66x = 851.41 × 156.83
  4. Step 4: Simplify right side
    567.66x = 133,526.63
  5. Step 5: Solve for x
    x = 133,526.63/567.66
  6. Step 6: Final answer
    x = 235.22

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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.