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Finding the Fourth Proportional to 350.18, 524.91 and 157.94

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Solution

The fourth proportional to 350.18, 524.91 and 157.94 is: 236.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.18 : 524.91 = 157.94 : x
  2. Step 2: Convert to fraction form
    350.18/524.91 = 157.94/x
  3. Step 3: Cross multiply
    350.18x = 524.91 × 157.94
  4. Step 4: Simplify right side
    350.18x = 82,904.29
  5. Step 5: Solve for x
    x = 82,904.29/350.18
  6. Step 6: Final answer
    x = 236.75

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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.