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Finding the Fourth Proportional to 627,793.60, 941,344.80 and 206,852.80

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Solution

The fourth proportional to 627,793.60, 941,344.80 and 206,852.80 is: 310,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,793.60 : 941,344.80 = 206,852.80 : x
  2. Step 2: Convert to fraction form
    627,793.60/941,344.80 = 206,852.80/x
  3. Step 3: Cross multiply
    627,793.60x = 941,344.80 × 206,852.80
  4. Step 4: Simplify right side
    627,793.60x = 194,719,807,645.44
  5. Step 5: Solve for x
    x = 194,719,807,645.44/627,793.60
  6. Step 6: Final answer
    x = 310,165.33

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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.