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Finding the Fourth Proportional to 352,325.34, 485,537.76 and 345,847.56

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Solution

The fourth proportional to 352,325.34, 485,537.76 and 345,847.56 is: 476,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,325.34 : 485,537.76 = 345,847.56 : x
  2. Step 2: Convert to fraction form
    352,325.34/485,537.76 = 345,847.56/x
  3. Step 3: Cross multiply
    352,325.34x = 485,537.76 × 345,847.56
  4. Step 4: Simplify right side
    352,325.34x = 167,922,049,583.87
  5. Step 5: Solve for x
    x = 167,922,049,583.87/352,325.34
  6. Step 6: Final answer
    x = 476,610.76

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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.