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Finding the Fourth Proportional to 483,802.89, 725,857.41 and 217,586.67

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Solution

The fourth proportional to 483,802.89, 725,857.41 and 217,586.67 is: 326,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,802.89 : 725,857.41 = 217,586.67 : x
  2. Step 2: Convert to fraction form
    483,802.89/725,857.41 = 217,586.67/x
  3. Step 3: Cross multiply
    483,802.89x = 725,857.41 × 217,586.67
  4. Step 4: Simplify right side
    483,802.89x = 157,936,896,736.73
  5. Step 5: Solve for x
    x = 157,936,896,736.73/483,802.89
  6. Step 6: Final answer
    x = 326,448.85

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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.