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Finding the Fourth Proportional to 481,266.89, 722,609.99 and 268,450.59

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Solution

The fourth proportional to 481,266.89, 722,609.99 and 268,450.59 is: 403,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,266.89 : 722,609.99 = 268,450.59 : x
  2. Step 2: Convert to fraction form
    481,266.89/722,609.99 = 268,450.59/x
  3. Step 3: Cross multiply
    481,266.89x = 722,609.99 × 268,450.59
  4. Step 4: Simplify right side
    481,266.89x = 193,985,078,155.39
  5. Step 5: Solve for x
    x = 193,985,078,155.39/481,266.89
  6. Step 6: Final answer
    x = 403,071.73

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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.