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Finding the Fourth Proportional to 350, 524.79 and 118.85

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Solution

The fourth proportional to 350, 524.79 and 118.85 is: 178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350 : 524.79 = 118.85 : x
  2. Step 2: Convert to fraction form
    350/524.79 = 118.85/x
  3. Step 3: Cross multiply
    350x = 524.79 × 118.85
  4. Step 4: Simplify right side
    350x = 62,371.29
  5. Step 5: Solve for x
    x = 62,371.29/350
  6. Step 6: Final answer
    x = 178.20

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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.