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Finding the Fourth Proportional to 568.24, 852.34 and 157.38

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Solution

The fourth proportional to 568.24, 852.34 and 157.38 is: 236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.24 : 852.34 = 157.38 : x
  2. Step 2: Convert to fraction form
    568.24/852.34 = 157.38/x
  3. Step 3: Cross multiply
    568.24x = 852.34 × 157.38
  4. Step 4: Simplify right side
    568.24x = 134,141.27
  5. Step 5: Solve for x
    x = 134,141.27/568.24
  6. Step 6: Final answer
    x = 236.06

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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.