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Finding the Fourth Proportional to 264,216.40, 396,324.60 and 164,683.60

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Solution

The fourth proportional to 264,216.40, 396,324.60 and 164,683.60 is: 247,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,216.40 : 396,324.60 = 164,683.60 : x
  2. Step 2: Convert to fraction form
    264,216.40/396,324.60 = 164,683.60/x
  3. Step 3: Cross multiply
    264,216.40x = 396,324.60 × 164,683.60
  4. Step 4: Simplify right side
    264,216.40x = 65,268,161,896.56
  5. Step 5: Solve for x
    x = 65,268,161,896.56/264,216.40
  6. Step 6: Final answer
    x = 247,025.40

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Why These Related Problems?

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