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Finding the Fourth Proportional to 632,956.77, 949,185 and 206,387.73

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Solution

The fourth proportional to 632,956.77, 949,185 and 206,387.73 is: 309,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,956.77 : 949,185 = 206,387.73 : x
  2. Step 2: Convert to fraction form
    632,956.77/949,185 = 206,387.73/x
  3. Step 3: Cross multiply
    632,956.77x = 949,185 × 206,387.73
  4. Step 4: Simplify right side
    632,956.77x = 195,900,137,500.05
  5. Step 5: Solve for x
    x = 195,900,137,500.05/632,956.77
  6. Step 6: Final answer
    x = 309,500.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.