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Finding the Fourth Proportional to 568.94, 853.29 and 157.95

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Solution

The fourth proportional to 568.94, 853.29 and 157.95 is: 236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.94 : 853.29 = 157.95 : x
  2. Step 2: Convert to fraction form
    568.94/853.29 = 157.95/x
  3. Step 3: Cross multiply
    568.94x = 853.29 × 157.95
  4. Step 4: Simplify right side
    568.94x = 134,777.16
  5. Step 5: Solve for x
    x = 134,777.16/568.94
  6. Step 6: Final answer
    x = 236.89

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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.