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Finding the Fourth Proportional to 327,458.42, 491,187.62 and 117,083.60

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Solution

The fourth proportional to 327,458.42, 491,187.62 and 117,083.60 is: 175,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,458.42 : 491,187.62 = 117,083.60 : x
  2. Step 2: Convert to fraction form
    327,458.42/491,187.62 = 117,083.60/x
  3. Step 3: Cross multiply
    327,458.42x = 491,187.62 × 117,083.60
  4. Step 4: Simplify right side
    327,458.42x = 57,510,012,661.80
  5. Step 5: Solve for x
    x = 57,510,012,661.80/327,458.42
  6. Step 6: Final answer
    x = 175,625.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.