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Finding the Fourth Proportional to 568,846.80, 853,270.20 and 319,496.40

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Solution

The fourth proportional to 568,846.80, 853,270.20 and 319,496.40 is: 479,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,846.80 : 853,270.20 = 319,496.40 : x
  2. Step 2: Convert to fraction form
    568,846.80/853,270.20 = 319,496.40/x
  3. Step 3: Cross multiply
    568,846.80x = 853,270.20 × 319,496.40
  4. Step 4: Simplify right side
    568,846.80x = 272,616,757,127.28
  5. Step 5: Solve for x
    x = 272,616,757,127.28/568,846.80
  6. Step 6: Final answer
    x = 479,244.60

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Similar ratio
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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.