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Finding the Fourth Proportional to 262,722.33, 394,211.88 and 162,855.81

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Solution

The fourth proportional to 262,722.33, 394,211.88 and 162,855.81 is: 244,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,722.33 : 394,211.88 = 162,855.81 : x
  2. Step 2: Convert to fraction form
    262,722.33/394,211.88 = 162,855.81/x
  3. Step 3: Cross multiply
    262,722.33x = 394,211.88 × 162,855.81
  4. Step 4: Simplify right side
    262,722.33x = 64,199,695,029.02
  5. Step 5: Solve for x
    x = 64,199,695,029.02/262,722.33
  6. Step 6: Final answer
    x = 244,363.30

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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.