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Finding the Fourth Proportional to 399,500.56, 599,176.86 and 159,594.04

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Solution

The fourth proportional to 399,500.56, 599,176.86 and 159,594.04 is: 239,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,500.56 : 599,176.86 = 159,594.04 : x
  2. Step 2: Convert to fraction form
    399,500.56/599,176.86 = 159,594.04/x
  3. Step 3: Cross multiply
    399,500.56x = 599,176.86 × 159,594.04
  4. Step 4: Simplify right side
    399,500.56x = 95,625,055,761.91
  5. Step 5: Solve for x
    x = 95,625,055,761.91/399,500.56
  6. Step 6: Final answer
    x = 239,361.51

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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.