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Finding the Fourth Proportional to 564.72, 846.92 and 235.91

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Solution

The fourth proportional to 564.72, 846.92 and 235.91 is: 353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.72 : 846.92 = 235.91 : x
  2. Step 2: Convert to fraction form
    564.72/846.92 = 235.91/x
  3. Step 3: Cross multiply
    564.72x = 846.92 × 235.91
  4. Step 4: Simplify right side
    564.72x = 199,793.25
  5. Step 5: Solve for x
    x = 199,793.25/564.72
  6. Step 6: Final answer
    x = 353.79

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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.