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Finding the Fourth Proportional to 568,818.52, 852,700.62 and 214,067.80

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Solution

The fourth proportional to 568,818.52, 852,700.62 and 214,067.80 is: 320,903.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,818.52 : 852,700.62 = 214,067.80 : x
  2. Step 2: Convert to fraction form
    568,818.52/852,700.62 = 214,067.80/x
  3. Step 3: Cross multiply
    568,818.52x = 852,700.62 × 214,067.80
  4. Step 4: Simplify right side
    568,818.52x = 182,535,745,782.04
  5. Step 5: Solve for x
    x = 182,535,745,782.04/568,818.52
  6. Step 6: Final answer
    x = 320,903.31

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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.