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Finding the Fourth Proportional to 568,805.90, 853,457.78 and 269,500.10

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Solution

The fourth proportional to 568,805.90, 853,457.78 and 269,500.10 is: 404,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,805.90 : 853,457.78 = 269,500.10 : x
  2. Step 2: Convert to fraction form
    568,805.90/853,457.78 = 269,500.10/x
  3. Step 3: Cross multiply
    568,805.90x = 853,457.78 × 269,500.10
  4. Step 4: Simplify right side
    568,805.90x = 230,006,953,462.24
  5. Step 5: Solve for x
    x = 230,006,953,462.24/568,805.90
  6. Step 6: Final answer
    x = 404,368.09

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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.