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Finding the Fourth Proportional to 572,616.80, 859,616.40 and 568,469.60

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Solution

The fourth proportional to 572,616.80, 859,616.40 and 568,469.60 is: 853,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,616.80 : 859,616.40 = 568,469.60 : x
  2. Step 2: Convert to fraction form
    572,616.80/859,616.40 = 568,469.60/x
  3. Step 3: Cross multiply
    572,616.80x = 859,616.40 × 568,469.60
  4. Step 4: Simplify right side
    572,616.80x = 488,665,791,061.44
  5. Step 5: Solve for x
    x = 488,665,791,061.44/572,616.80
  6. Step 6: Final answer
    x = 853,390.59

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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.