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Finding the Fourth Proportional to 350, 483.02 and 194.76

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Solution

The fourth proportional to 350, 483.02 and 194.76 is: 268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350 : 483.02 = 194.76 : x
  2. Step 2: Convert to fraction form
    350/483.02 = 194.76/x
  3. Step 3: Cross multiply
    350x = 483.02 × 194.76
  4. Step 4: Simplify right side
    350x = 94,072.98
  5. Step 5: Solve for x
    x = 94,072.98/350
  6. Step 6: Final answer
    x = 268.78

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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.