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Finding the Fourth Proportional to 994,751.80, 1,493,682.90 and 574,847.80

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Solution

The fourth proportional to 994,751.80, 1,493,682.90 and 574,847.80 is: 863,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,751.80 : 1,493,682.90 = 574,847.80 : x
  2. Step 2: Convert to fraction form
    994,751.80/1,493,682.90 = 574,847.80/x
  3. Step 3: Cross multiply
    994,751.80x = 1,493,682.90 × 574,847.80
  4. Step 4: Simplify right side
    994,751.80x = 858,640,328,962.62
  5. Step 5: Solve for x
    x = 858,640,328,962.62/994,751.80
  6. Step 6: Final answer
    x = 863,170.42

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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.