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Finding the Fourth Proportional to 258,791.56, 357,272.54 and 181,504.56

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Solution

The fourth proportional to 258,791.56, 357,272.54 and 181,504.56 is: 250,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,791.56 : 357,272.54 = 181,504.56 : x
  2. Step 2: Convert to fraction form
    258,791.56/357,272.54 = 181,504.56/x
  3. Step 3: Cross multiply
    258,791.56x = 357,272.54 × 181,504.56
  4. Step 4: Simplify right side
    258,791.56x = 64,846,592,478.90
  5. Step 5: Solve for x
    x = 64,846,592,478.90/258,791.56
  6. Step 6: Final answer
    x = 250,574.60

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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.