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Finding the Fourth Proportional to 568.04, 852.03 and 157.22

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Solution

The fourth proportional to 568.04, 852.03 and 157.22 is: 235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.04 : 852.03 = 157.22 : x
  2. Step 2: Convert to fraction form
    568.04/852.03 = 157.22/x
  3. Step 3: Cross multiply
    568.04x = 852.03 × 157.22
  4. Step 4: Simplify right side
    568.04x = 133,951.90
  5. Step 5: Solve for x
    x = 133,951.90/568.04
  6. Step 6: Final answer
    x = 235.82

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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.