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Finding the Fourth Proportional to 637,305.88, 955,629.48 and 187,969.54

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Solution

The fourth proportional to 637,305.88, 955,629.48 and 187,969.54 is: 281,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,305.88 : 955,629.48 = 187,969.54 : x
  2. Step 2: Convert to fraction form
    637,305.88/955,629.48 = 187,969.54/x
  3. Step 3: Cross multiply
    637,305.88x = 955,629.48 × 187,969.54
  4. Step 4: Simplify right side
    637,305.88x = 179,629,233,766.04
  5. Step 5: Solve for x
    x = 179,629,233,766.04/637,305.88
  6. Step 6: Final answer
    x = 281,857.17

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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.