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Finding the Fourth Proportional to 633,516.42, 950,076.06 and 206,955

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Solution

The fourth proportional to 633,516.42, 950,076.06 and 206,955 is: 310,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,516.42 : 950,076.06 = 206,955 : x
  2. Step 2: Convert to fraction form
    633,516.42/950,076.06 = 206,955/x
  3. Step 3: Cross multiply
    633,516.42x = 950,076.06 × 206,955
  4. Step 4: Simplify right side
    633,516.42x = 196,622,990,997.30
  5. Step 5: Solve for x
    x = 196,622,990,997.30/633,516.42
  6. Step 6: Final answer
    x = 310,367.63

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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.