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Finding the Fourth Proportional to 262,773.75, 394,409.84 and 162,631.02

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Solution

The fourth proportional to 262,773.75, 394,409.84 and 162,631.02 is: 244,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,773.75 : 394,409.84 = 162,631.02 : x
  2. Step 2: Convert to fraction form
    262,773.75/394,409.84 = 162,631.02/x
  3. Step 3: Cross multiply
    262,773.75x = 394,409.84 × 162,631.02
  4. Step 4: Simplify right side
    262,773.75x = 64,143,273,764.08
  5. Step 5: Solve for x
    x = 64,143,273,764.08/262,773.75
  6. Step 6: Final answer
    x = 244,100.77

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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.