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Finding the Fourth Proportional to 262,760.96, 394,269.84 and 162,894.44

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Solution

The fourth proportional to 262,760.96, 394,269.84 and 162,894.44 is: 244,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,760.96 : 394,269.84 = 162,894.44 : x
  2. Step 2: Convert to fraction form
    262,760.96/394,269.84 = 162,894.44/x
  3. Step 3: Cross multiply
    262,760.96x = 394,269.84 × 162,894.44
  4. Step 4: Simplify right side
    262,760.96x = 64,224,362,824.34
  5. Step 5: Solve for x
    x = 64,224,362,824.34/262,760.96
  6. Step 6: Final answer
    x = 244,421.26

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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.