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Finding the Fourth Proportional to 576,522.45, 864,204.80 and 197,183.88

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Solution

The fourth proportional to 576,522.45, 864,204.80 and 197,183.88 is: 295,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,522.45 : 864,204.80 = 197,183.88 : x
  2. Step 2: Convert to fraction form
    576,522.45/864,204.80 = 197,183.88/x
  3. Step 3: Cross multiply
    576,522.45x = 864,204.80 × 197,183.88
  4. Step 4: Simplify right side
    576,522.45x = 170,407,255,578.62
  5. Step 5: Solve for x
    x = 170,407,255,578.62/576,522.45
  6. Step 6: Final answer
    x = 295,577.83

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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.