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Finding the Fourth Proportional to 322,466.10, 483,699.15 and 85,832.70

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Solution

The fourth proportional to 322,466.10, 483,699.15 and 85,832.70 is: 128,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,466.10 : 483,699.15 = 85,832.70 : x
  2. Step 2: Convert to fraction form
    322,466.10/483,699.15 = 85,832.70/x
  3. Step 3: Cross multiply
    322,466.10x = 483,699.15 × 85,832.70
  4. Step 4: Simplify right side
    322,466.10x = 41,517,204,032.21
  5. Step 5: Solve for x
    x = 41,517,204,032.21/322,466.10
  6. Step 6: Final answer
    x = 128,749.05

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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.