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Finding the Fourth Proportional to 351,992.92, 485,753.70 and 190,847.56

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Solution

The fourth proportional to 351,992.92, 485,753.70 and 190,847.56 is: 263,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,992.92 : 485,753.70 = 190,847.56 : x
  2. Step 2: Convert to fraction form
    351,992.92/485,753.70 = 190,847.56/x
  3. Step 3: Cross multiply
    351,992.92x = 485,753.70 × 190,847.56
  4. Step 4: Simplify right side
    351,992.92x = 92,704,908,405.97
  5. Step 5: Solve for x
    x = 92,704,908,405.97/351,992.92
  6. Step 6: Final answer
    x = 263,371.51

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1.5x scale

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.