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Finding the Fourth Proportional to 482,805.88, 724,205.94 and 262,589.56

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Solution

The fourth proportional to 482,805.88, 724,205.94 and 262,589.56 is: 393,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,805.88 : 724,205.94 = 262,589.56 : x
  2. Step 2: Convert to fraction form
    482,805.88/724,205.94 = 262,589.56/x
  3. Step 3: Cross multiply
    482,805.88x = 724,205.94 × 262,589.56
  4. Step 4: Simplify right side
    482,805.88x = 190,168,919,133.99
  5. Step 5: Solve for x
    x = 190,168,919,133.99/482,805.88
  6. Step 6: Final answer
    x = 393,882.77

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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.