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Finding the Fourth Proportional to 568,625.58, 853,429.64 and 231,851.88

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Solution

The fourth proportional to 568,625.58, 853,429.64 and 231,851.88 is: 347,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,625.58 : 853,429.64 = 231,851.88 : x
  2. Step 2: Convert to fraction form
    568,625.58/853,429.64 = 231,851.88/x
  3. Step 3: Cross multiply
    568,625.58x = 853,429.64 × 231,851.88
  4. Step 4: Simplify right side
    568,625.58x = 197,869,265,322.46
  5. Step 5: Solve for x
    x = 197,869,265,322.46/568,625.58
  6. Step 6: Final answer
    x = 347,978.13

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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.