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Finding the Fourth Proportional to 379,065.27, 522,890.78 and 244,929.27

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Solution

The fourth proportional to 379,065.27, 522,890.78 and 244,929.27 is: 337,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,065.27 : 522,890.78 = 244,929.27 : x
  2. Step 2: Convert to fraction form
    379,065.27/522,890.78 = 244,929.27/x
  3. Step 3: Cross multiply
    379,065.27x = 522,890.78 × 244,929.27
  4. Step 4: Simplify right side
    379,065.27x = 128,071,257,035.13
  5. Step 5: Solve for x
    x = 128,071,257,035.13/379,065.27
  6. Step 6: Final answer
    x = 337,860.70

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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.