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Finding the Fourth Proportional to 331,301.60, 457,194.48 and 186,087.20

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Solution

The fourth proportional to 331,301.60, 457,194.48 and 186,087.20 is: 256,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,301.60 : 457,194.48 = 186,087.20 : x
  2. Step 2: Convert to fraction form
    331,301.60/457,194.48 = 186,087.20/x
  3. Step 3: Cross multiply
    331,301.60x = 457,194.48 × 186,087.20
  4. Step 4: Simplify right side
    331,301.60x = 85,078,040,638.66
  5. Step 5: Solve for x
    x = 85,078,040,638.66/331,301.60
  6. Step 6: Final answer
    x = 256,799.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.