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Finding the Fourth Proportional to 627,799.60, 941,353.80 and 206,858.80

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Solution

The fourth proportional to 627,799.60, 941,353.80 and 206,858.80 is: 310,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,799.60 : 941,353.80 = 206,858.80 : x
  2. Step 2: Convert to fraction form
    627,799.60/941,353.80 = 206,858.80/x
  3. Step 3: Cross multiply
    627,799.60x = 941,353.80 × 206,858.80
  4. Step 4: Simplify right side
    627,799.60x = 194,727,317,443.44
  5. Step 5: Solve for x
    x = 194,727,317,443.44/627,799.60
  6. Step 6: Final answer
    x = 310,174.33

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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.