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Finding the Fourth Proportional to 377,698.08, 567,105.48 and 252,120.72

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Solution

The fourth proportional to 377,698.08, 567,105.48 and 252,120.72 is: 378,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,698.08 : 567,105.48 = 252,120.72 : x
  2. Step 2: Convert to fraction form
    377,698.08/567,105.48 = 252,120.72/x
  3. Step 3: Cross multiply
    377,698.08x = 567,105.48 × 252,120.72
  4. Step 4: Simplify right side
    377,698.08x = 142,979,041,933.55
  5. Step 5: Solve for x
    x = 142,979,041,933.55/377,698.08
  6. Step 6: Final answer
    x = 378,553.80

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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.