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Finding the Fourth Proportional to 446,662.76, 616,716.38 and 274,811.94

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Solution

The fourth proportional to 446,662.76, 616,716.38 and 274,811.94 is: 379,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,662.76 : 616,716.38 = 274,811.94 : x
  2. Step 2: Convert to fraction form
    446,662.76/616,716.38 = 274,811.94/x
  3. Step 3: Cross multiply
    446,662.76x = 616,716.38 × 274,811.94
  4. Step 4: Simplify right side
    446,662.76x = 169,481,025,504.61
  5. Step 5: Solve for x
    x = 169,481,025,504.61/446,662.76
  6. Step 6: Final answer
    x = 379,438.45

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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.