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Finding the Fourth Proportional to 377,843.60, 567,610.20 and 315,635.60

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Solution

The fourth proportional to 377,843.60, 567,610.20 and 315,635.60 is: 474,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,843.60 : 567,610.20 = 315,635.60 : x
  2. Step 2: Convert to fraction form
    377,843.60/567,610.20 = 315,635.60/x
  3. Step 3: Cross multiply
    377,843.60x = 567,610.20 × 315,635.60
  4. Step 4: Simplify right side
    377,843.60x = 179,157,986,043.12
  5. Step 5: Solve for x
    x = 179,157,986,043.12/377,843.60
  6. Step 6: Final answer
    x = 474,159.11

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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.