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Finding the Fourth Proportional to 393,553.80, 589,650.30 and 182,759.40

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Solution

The fourth proportional to 393,553.80, 589,650.30 and 182,759.40 is: 273,823.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,553.80 : 589,650.30 = 182,759.40 : x
  2. Step 2: Convert to fraction form
    393,553.80/589,650.30 = 182,759.40/x
  3. Step 3: Cross multiply
    393,553.80x = 589,650.30 × 182,759.40
  4. Step 4: Simplify right side
    393,553.80x = 107,764,135,037.82
  5. Step 5: Solve for x
    x = 107,764,135,037.82/393,553.80
  6. Step 6: Final answer
    x = 273,823.13

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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.