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Finding the Fourth Proportional to 568.97, 853.44 and 158.10

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Solution

The fourth proportional to 568.97, 853.44 and 158.10 is: 237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.97 : 853.44 = 158.10 : x
  2. Step 2: Convert to fraction form
    568.97/853.44 = 158.10/x
  3. Step 3: Cross multiply
    568.97x = 853.44 × 158.10
  4. Step 4: Simplify right side
    568.97x = 134,928.86
  5. Step 5: Solve for x
    x = 134,928.86/568.97
  6. Step 6: Final answer
    x = 237.15

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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.