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Finding the Fourth Proportional to 489,019.05, 733,449.87 and 133,950.06

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Solution

The fourth proportional to 489,019.05, 733,449.87 and 133,950.06 is: 200,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,019.05 : 733,449.87 = 133,950.06 : x
  2. Step 2: Convert to fraction form
    489,019.05/733,449.87 = 133,950.06/x
  3. Step 3: Cross multiply
    489,019.05x = 733,449.87 × 133,950.06
  4. Step 4: Simplify right side
    489,019.05x = 98,245,654,093.49
  5. Step 5: Solve for x
    x = 98,245,654,093.49/489,019.05
  6. Step 6: Final answer
    x = 200,903.53

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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.