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Finding the Fourth Proportional to 298,601.97, 446,850.60 and 186,335.07

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Solution

The fourth proportional to 298,601.97, 446,850.60 and 186,335.07 is: 278,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,601.97 : 446,850.60 = 186,335.07 : x
  2. Step 2: Convert to fraction form
    298,601.97/446,850.60 = 186,335.07/x
  3. Step 3: Cross multiply
    298,601.97x = 446,850.60 × 186,335.07
  4. Step 4: Simplify right side
    298,601.97x = 83,263,937,830.54
  5. Step 5: Solve for x
    x = 83,263,937,830.54/298,601.97
  6. Step 6: Final answer
    x = 278,845.91

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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.