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Finding the Fourth Proportional to 737,793.40, 1,106,690.10 and 699,302.20

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Solution

The fourth proportional to 737,793.40, 1,106,690.10 and 699,302.20 is: 1,048,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,793.40 : 1,106,690.10 = 699,302.20 : x
  2. Step 2: Convert to fraction form
    737,793.40/1,106,690.10 = 699,302.20/x
  3. Step 3: Cross multiply
    737,793.40x = 1,106,690.10 × 699,302.20
  4. Step 4: Simplify right side
    737,793.40x = 773,910,821,648.22
  5. Step 5: Solve for x
    x = 773,910,821,648.22/737,793.40
  6. Step 6: Final answer
    x = 1,048,953.30

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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.