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Finding the Fourth Proportional to 397,885.79, 596,823.21 and 173,241.41

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Solution

The fourth proportional to 397,885.79, 596,823.21 and 173,241.41 is: 259,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,885.79 : 596,823.21 = 173,241.41 : x
  2. Step 2: Convert to fraction form
    397,885.79/596,823.21 = 173,241.41/x
  3. Step 3: Cross multiply
    397,885.79x = 596,823.21 × 173,241.41
  4. Step 4: Simplify right side
    397,885.79x = 103,394,491,437.01
  5. Step 5: Solve for x
    x = 103,394,491,437.01/397,885.79
  6. Step 6: Final answer
    x = 259,859.73

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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.