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Finding the Fourth Proportional to 568,995.36, 853,722.54 and 253,236.30

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Solution

The fourth proportional to 568,995.36, 853,722.54 and 253,236.30 is: 379,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,995.36 : 853,722.54 = 253,236.30 : x
  2. Step 2: Convert to fraction form
    568,995.36/853,722.54 = 253,236.30/x
  3. Step 3: Cross multiply
    568,995.36x = 853,722.54 × 253,236.30
  4. Step 4: Simplify right side
    568,995.36x = 216,193,537,256.20
  5. Step 5: Solve for x
    x = 216,193,537,256.20/568,995.36
  6. Step 6: Final answer
    x = 379,956.59

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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.