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Finding the Fourth Proportional to 573,418.11, 859,559.02 and 269,267.80

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Solution

The fourth proportional to 573,418.11, 859,559.02 and 269,267.80 is: 403,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,418.11 : 859,559.02 = 269,267.80 : x
  2. Step 2: Convert to fraction form
    573,418.11/859,559.02 = 269,267.80/x
  3. Step 3: Cross multiply
    573,418.11x = 859,559.02 × 269,267.80
  4. Step 4: Simplify right side
    573,418.11x = 231,451,566,285.56
  5. Step 5: Solve for x
    x = 231,451,566,285.56/573,418.11
  6. Step 6: Final answer
    x = 403,634.91

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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.