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Finding the Fourth Proportional to 393,676.24, 589,626.54 and 182,870.56

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Solution

The fourth proportional to 393,676.24, 589,626.54 and 182,870.56 is: 273,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,676.24 : 589,626.54 = 182,870.56 : x
  2. Step 2: Convert to fraction form
    393,676.24/589,626.54 = 182,870.56/x
  3. Step 3: Cross multiply
    393,676.24x = 589,626.54 × 182,870.56
  4. Step 4: Simplify right side
    393,676.24x = 107,825,335,560.66
  5. Step 5: Solve for x
    x = 107,825,335,560.66/393,676.24
  6. Step 6: Final answer
    x = 273,893.43

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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.