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Finding the Fourth Proportional to 351,525.56, 485,105.56 and 190,380.92

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Solution

The fourth proportional to 351,525.56, 485,105.56 and 190,380.92 is: 262,725.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,525.56 : 485,105.56 = 190,380.92 : x
  2. Step 2: Convert to fraction form
    351,525.56/485,105.56 = 190,380.92/x
  3. Step 3: Cross multiply
    351,525.56x = 485,105.56 × 190,380.92
  4. Step 4: Simplify right side
    351,525.56x = 92,354,839,908.44
  5. Step 5: Solve for x
    x = 92,354,839,908.44/351,525.56
  6. Step 6: Final answer
    x = 262,725.82

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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.