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Finding the Fourth Proportional to 568,215.90, 853,504.83 and 450,708.39

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Solution

The fourth proportional to 568,215.90, 853,504.83 and 450,708.39 is: 676,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,215.90 : 853,504.83 = 450,708.39 : x
  2. Step 2: Convert to fraction form
    568,215.90/853,504.83 = 450,708.39/x
  3. Step 3: Cross multiply
    568,215.90x = 853,504.83 × 450,708.39
  4. Step 4: Simplify right side
    568,215.90x = 384,681,787,786.52
  5. Step 5: Solve for x
    x = 384,681,787,786.52/568,215.90
  6. Step 6: Final answer
    x = 676,999.34

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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.