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Finding the Fourth Proportional to 262,760.46, 394,269.09 and 162,893.94

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Solution

The fourth proportional to 262,760.46, 394,269.09 and 162,893.94 is: 244,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,760.46 : 394,269.09 = 162,893.94 : x
  2. Step 2: Convert to fraction form
    262,760.46/394,269.09 = 162,893.94/x
  3. Step 3: Cross multiply
    262,760.46x = 394,269.09 × 162,893.94
  4. Step 4: Simplify right side
    262,760.46x = 64,224,045,490.31
  5. Step 5: Solve for x
    x = 64,224,045,490.31/262,760.46
  6. Step 6: Final answer
    x = 244,420.51

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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.