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Finding the Fourth Proportional to 264,728.40, 397,289.43 and 106,958.22

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Solution

The fourth proportional to 264,728.40, 397,289.43 and 106,958.22 is: 160,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,728.40 : 397,289.43 = 106,958.22 : x
  2. Step 2: Convert to fraction form
    264,728.40/397,289.43 = 106,958.22/x
  3. Step 3: Cross multiply
    264,728.40x = 397,289.43 × 106,958.22
  4. Step 4: Simplify right side
    264,728.40x = 42,493,370,257.61
  5. Step 5: Solve for x
    x = 42,493,370,257.61/264,728.40
  6. Step 6: Final answer
    x = 160,516.86

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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.