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Finding the Fourth Proportional to 569,019.90, 853,950.78 and 269,500.98

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Solution

The fourth proportional to 569,019.90, 853,950.78 and 269,500.98 is: 404,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,019.90 : 853,950.78 = 269,500.98 : x
  2. Step 2: Convert to fraction form
    569,019.90/853,950.78 = 269,500.98/x
  3. Step 3: Cross multiply
    569,019.90x = 853,950.78 × 269,500.98
  4. Step 4: Simplify right side
    569,019.90x = 230,140,572,081.76
  5. Step 5: Solve for x
    x = 230,140,572,081.76/569,019.90
  6. Step 6: Final answer
    x = 404,450.83

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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.