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Finding the Fourth Proportional to 379,796.92, 568,943.94 and 308,798.80

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Solution

The fourth proportional to 379,796.92, 568,943.94 and 308,798.80 is: 462,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,796.92 : 568,943.94 = 308,798.80 : x
  2. Step 2: Convert to fraction form
    379,796.92/568,943.94 = 308,798.80/x
  3. Step 3: Cross multiply
    379,796.92x = 568,943.94 × 308,798.80
  4. Step 4: Simplify right side
    379,796.92x = 175,689,205,939.27
  5. Step 5: Solve for x
    x = 175,689,205,939.27/379,796.92
  6. Step 6: Final answer
    x = 462,587.23

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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.