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Finding the Fourth Proportional to 568,422.42, 851,893.19 and 231,069.02

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Solution

The fourth proportional to 568,422.42, 851,893.19 and 231,069.02 is: 346,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,422.42 : 851,893.19 = 231,069.02 : x
  2. Step 2: Convert to fraction form
    568,422.42/851,893.19 = 231,069.02/x
  3. Step 3: Cross multiply
    568,422.42x = 851,893.19 × 231,069.02
  4. Step 4: Simplify right side
    568,422.42x = 196,846,120,298.51
  5. Step 5: Solve for x
    x = 196,846,120,298.51/568,422.42
  6. Step 6: Final answer
    x = 346,302.53

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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.