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Finding the Fourth Proportional to 351,524.14, 485,104.14 and 190,378.69

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Solution

The fourth proportional to 351,524.14, 485,104.14 and 190,378.69 is: 262,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,524.14 : 485,104.14 = 190,378.69 : x
  2. Step 2: Convert to fraction form
    351,524.14/485,104.14 = 190,378.69/x
  3. Step 3: Cross multiply
    351,524.14x = 485,104.14 × 190,378.69
  4. Step 4: Simplify right side
    351,524.14x = 92,353,489,474.02
  5. Step 5: Solve for x
    x = 92,353,489,474.02/351,524.14
  6. Step 6: Final answer
    x = 262,723.04

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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.