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Finding the Fourth Proportional to 548,649.57, 822,227.10 and 308,877.81

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Solution

The fourth proportional to 548,649.57, 822,227.10 and 308,877.81 is: 462,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,649.57 : 822,227.10 = 308,877.81 : x
  2. Step 2: Convert to fraction form
    548,649.57/822,227.10 = 308,877.81/x
  3. Step 3: Cross multiply
    548,649.57x = 822,227.10 × 308,877.81
  4. Step 4: Simplify right side
    548,649.57x = 253,967,705,970.65
  5. Step 5: Solve for x
    x = 253,967,705,970.65/548,649.57
  6. Step 6: Final answer
    x = 462,896.03

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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.