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Finding the Fourth Proportional to 274,504.39, 378,798.48 and 153,625.27

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Solution

The fourth proportional to 274,504.39, 378,798.48 and 153,625.27 is: 211,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,504.39 : 378,798.48 = 153,625.27 : x
  2. Step 2: Convert to fraction form
    274,504.39/378,798.48 = 153,625.27/x
  3. Step 3: Cross multiply
    274,504.39x = 378,798.48 × 153,625.27
  4. Step 4: Simplify right side
    274,504.39x = 58,193,018,765.59
  5. Step 5: Solve for x
    x = 58,193,018,765.59/274,504.39
  6. Step 6: Final answer
    x = 211,993.04

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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.