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Finding the Fourth Proportional to 889,554, 1,334,469.24 and 298,716.24

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Solution

The fourth proportional to 889,554, 1,334,469.24 and 298,716.24 is: 448,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,554 : 1,334,469.24 = 298,716.24 : x
  2. Step 2: Convert to fraction form
    889,554/1,334,469.24 = 298,716.24/x
  3. Step 3: Cross multiply
    889,554x = 1,334,469.24 × 298,716.24
  4. Step 4: Simplify right side
    889,554x = 398,627,633,768.46
  5. Step 5: Solve for x
    x = 398,627,633,768.46/889,554
  6. Step 6: Final answer
    x = 448,120.78

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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.