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Finding the Fourth Proportional to 383,168.67, 574,753.02 and 116,930.58

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Solution

The fourth proportional to 383,168.67, 574,753.02 and 116,930.58 is: 175,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,168.67 : 574,753.02 = 116,930.58 : x
  2. Step 2: Convert to fraction form
    383,168.67/574,753.02 = 116,930.58/x
  3. Step 3: Cross multiply
    383,168.67x = 574,753.02 × 116,930.58
  4. Step 4: Simplify right side
    383,168.67x = 67,206,203,985.35
  5. Step 5: Solve for x
    x = 67,206,203,985.35/383,168.67
  6. Step 6: Final answer
    x = 175,395.87

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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.