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Finding the Fourth Proportional to 262,977.80, 394,466.70 and 182,496.20

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Solution

The fourth proportional to 262,977.80, 394,466.70 and 182,496.20 is: 273,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,977.80 : 394,466.70 = 182,496.20 : x
  2. Step 2: Convert to fraction form
    262,977.80/394,466.70 = 182,496.20/x
  3. Step 3: Cross multiply
    262,977.80x = 394,466.70 × 182,496.20
  4. Step 4: Simplify right side
    262,977.80x = 71,988,673,776.54
  5. Step 5: Solve for x
    x = 71,988,673,776.54/262,977.80
  6. Step 6: Final answer
    x = 273,744.30

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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.