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Finding the Fourth Proportional to 350.86, 484.20 and 193.50

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Solution

The fourth proportional to 350.86, 484.20 and 193.50 is: 267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.86 : 484.20 = 193.50 : x
  2. Step 2: Convert to fraction form
    350.86/484.20 = 193.50/x
  3. Step 3: Cross multiply
    350.86x = 484.20 × 193.50
  4. Step 4: Simplify right side
    350.86x = 93,692.70
  5. Step 5: Solve for x
    x = 93,692.70/350.86
  6. Step 6: Final answer
    x = 267.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.