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Finding the Fourth Proportional to 348,802.61, 481,469.13 and 205,553.57

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Solution

The fourth proportional to 348,802.61, 481,469.13 and 205,553.57 is: 283,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,802.61 : 481,469.13 = 205,553.57 : x
  2. Step 2: Convert to fraction form
    348,802.61/481,469.13 = 205,553.57/x
  3. Step 3: Cross multiply
    348,802.61x = 481,469.13 × 205,553.57
  4. Step 4: Simplify right side
    348,802.61x = 98,967,696,108.95
  5. Step 5: Solve for x
    x = 98,967,696,108.95/348,802.61
  6. Step 6: Final answer
    x = 283,735.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.