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Finding the Fourth Proportional to 382,229.01, 573,314.22 and 115,990.92

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Solution

The fourth proportional to 382,229.01, 573,314.22 and 115,990.92 is: 173,977.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,229.01 : 573,314.22 = 115,990.92 : x
  2. Step 2: Convert to fraction form
    382,229.01/573,314.22 = 115,990.92/x
  3. Step 3: Cross multiply
    382,229.01x = 573,314.22 × 115,990.92
  4. Step 4: Simplify right side
    382,229.01x = 66,499,243,826.88
  5. Step 5: Solve for x
    x = 66,499,243,826.88/382,229.01
  6. Step 6: Final answer
    x = 173,977.49

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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.