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Finding the Fourth Proportional to 626,092.80, 938,793.60 and 251,692.80

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Solution

The fourth proportional to 626,092.80, 938,793.60 and 251,692.80 is: 377,400.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,092.80 : 938,793.60 = 251,692.80 : x
  2. Step 2: Convert to fraction form
    626,092.80/938,793.60 = 251,692.80/x
  3. Step 3: Cross multiply
    626,092.80x = 938,793.60 × 251,692.80
  4. Step 4: Simplify right side
    626,092.80x = 236,287,589,806.08
  5. Step 5: Solve for x
    x = 236,287,589,806.08/626,092.80
  6. Step 6: Final answer
    x = 377,400.27

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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.