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Finding the Fourth Proportional to 568,383.60, 853,266.60 and 427,033.20

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Solution

The fourth proportional to 568,383.60, 853,266.60 and 427,033.20 is: 641,069.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,383.60 : 853,266.60 = 427,033.20 : x
  2. Step 2: Convert to fraction form
    568,383.60/853,266.60 = 427,033.20/x
  3. Step 3: Cross multiply
    568,383.60x = 853,266.60 × 427,033.20
  4. Step 4: Simplify right side
    568,383.60x = 364,373,166,651.12
  5. Step 5: Solve for x
    x = 364,373,166,651.12/568,383.60
  6. Step 6: Final answer
    x = 641,069.11

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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.