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Finding the Fourth Proportional to 262,726.34, 394,217.88 and 162,859.82

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Solution

The fourth proportional to 262,726.34, 394,217.88 and 162,859.82 is: 244,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,726.34 : 394,217.88 = 162,859.82 : x
  2. Step 2: Convert to fraction form
    262,726.34/394,217.88 = 162,859.82/x
  3. Step 3: Cross multiply
    262,726.34x = 394,217.88 × 162,859.82
  4. Step 4: Simplify right side
    262,726.34x = 64,202,252,977.58
  5. Step 5: Solve for x
    x = 64,202,252,977.58/262,726.34
  6. Step 6: Final answer
    x = 244,369.30

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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.