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Finding the Fourth Proportional to 577,067.20, 865,600.80 and 568,772.80

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Solution

The fourth proportional to 577,067.20, 865,600.80 and 568,772.80 is: 853,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,067.20 : 865,600.80 = 568,772.80 : x
  2. Step 2: Convert to fraction form
    577,067.20/865,600.80 = 568,772.80/x
  3. Step 3: Cross multiply
    577,067.20x = 865,600.80 × 568,772.80
  4. Step 4: Simplify right side
    577,067.20x = 492,330,190,698.24
  5. Step 5: Solve for x
    x = 492,330,190,698.24/577,067.20
  6. Step 6: Final answer
    x = 853,159.20

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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.