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Finding the Fourth Proportional to 737,752.80, 1,106,629.20 and 663,103.20

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Solution

The fourth proportional to 737,752.80, 1,106,629.20 and 663,103.20 is: 994,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,752.80 : 1,106,629.20 = 663,103.20 : x
  2. Step 2: Convert to fraction form
    737,752.80/1,106,629.20 = 663,103.20/x
  3. Step 3: Cross multiply
    737,752.80x = 1,106,629.20 × 663,103.20
  4. Step 4: Simplify right side
    737,752.80x = 733,809,363,733.44
  5. Step 5: Solve for x
    x = 733,809,363,733.44/737,752.80
  6. Step 6: Final answer
    x = 994,654.80

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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.