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Finding the Fourth Proportional to 350,018.69, 482,824.52 and 220,911.29

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Solution

The fourth proportional to 350,018.69, 482,824.52 and 220,911.29 is: 304,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,018.69 : 482,824.52 = 220,911.29 : x
  2. Step 2: Convert to fraction form
    350,018.69/482,824.52 = 220,911.29/x
  3. Step 3: Cross multiply
    350,018.69x = 482,824.52 × 220,911.29
  4. Step 4: Simplify right side
    350,018.69x = 106,661,384,038.15
  5. Step 5: Solve for x
    x = 106,661,384,038.15/350,018.69
  6. Step 6: Final answer
    x = 304,730.54

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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.