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Finding the Fourth Proportional to 377,998.60, 567,435.30 and 218,201.80

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Solution

The fourth proportional to 377,998.60, 567,435.30 and 218,201.80 is: 327,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,998.60 : 567,435.30 = 218,201.80 : x
  2. Step 2: Convert to fraction form
    377,998.60/567,435.30 = 218,201.80/x
  3. Step 3: Cross multiply
    377,998.60x = 567,435.30 × 218,201.80
  4. Step 4: Simplify right side
    377,998.60x = 123,815,403,843.54
  5. Step 5: Solve for x
    x = 123,815,403,843.54/377,998.60
  6. Step 6: Final answer
    x = 327,555.19

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1.5x scale

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.