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Finding the Fourth Proportional to 447,651.94, 670,578.50 and 222,330.80

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Solution

The fourth proportional to 447,651.94, 670,578.50 and 222,330.80 is: 333,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,651.94 : 670,578.50 = 222,330.80 : x
  2. Step 2: Convert to fraction form
    447,651.94/670,578.50 = 222,330.80/x
  3. Step 3: Cross multiply
    447,651.94x = 670,578.50 × 222,330.80
  4. Step 4: Simplify right side
    447,651.94x = 149,090,254,367.80
  5. Step 5: Solve for x
    x = 149,090,254,367.80/447,651.94
  6. Step 6: Final answer
    x = 333,049.50

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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.