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Finding the Fourth Proportional to 259,489, 389,233.50 and 62,497

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Solution

The fourth proportional to 259,489, 389,233.50 and 62,497 is: 93,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,489 : 389,233.50 = 62,497 : x
  2. Step 2: Convert to fraction form
    259,489/389,233.50 = 62,497/x
  3. Step 3: Cross multiply
    259,489x = 389,233.50 × 62,497
  4. Step 4: Simplify right side
    259,489x = 24,325,926,049.50
  5. Step 5: Solve for x
    x = 24,325,926,049.50/259,489
  6. Step 6: Final answer
    x = 93,745.50

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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.