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Finding the Fourth Proportional to 325,652.36, 449,401.44 and 189,779.48

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Solution

The fourth proportional to 325,652.36, 449,401.44 and 189,779.48 is: 261,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,652.36 : 449,401.44 = 189,779.48 : x
  2. Step 2: Convert to fraction form
    325,652.36/449,401.44 = 189,779.48/x
  3. Step 3: Cross multiply
    325,652.36x = 449,401.44 × 189,779.48
  4. Step 4: Simplify right side
    325,652.36x = 85,287,171,594.45
  5. Step 5: Solve for x
    x = 85,287,171,594.45/325,652.36
  6. Step 6: Final answer
    x = 261,896.37

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1.5x scale

Why These Related Problems?

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