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Finding the Fourth Proportional to 364,571.73, 503,097.21 and 198,993.33

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Solution

The fourth proportional to 364,571.73, 503,097.21 and 198,993.33 is: 274,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,571.73 : 503,097.21 = 198,993.33 : x
  2. Step 2: Convert to fraction form
    364,571.73/503,097.21 = 198,993.33/x
  3. Step 3: Cross multiply
    364,571.73x = 503,097.21 × 198,993.33
  4. Step 4: Simplify right side
    364,571.73x = 100,112,989,131.61
  5. Step 5: Solve for x
    x = 100,112,989,131.61/364,571.73
  6. Step 6: Final answer
    x = 274,604.37

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1.5x scale

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.