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Finding the Fourth Proportional to 325,558.92, 449,190.16 and 187,779.97

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Solution

The fourth proportional to 325,558.92, 449,190.16 and 187,779.97 is: 259,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,558.92 : 449,190.16 = 187,779.97 : x
  2. Step 2: Convert to fraction form
    325,558.92/449,190.16 = 187,779.97/x
  3. Step 3: Cross multiply
    325,558.92x = 449,190.16 × 187,779.97
  4. Step 4: Simplify right side
    325,558.92x = 84,348,914,861.13
  5. Step 5: Solve for x
    x = 84,348,914,861.13/325,558.92
  6. Step 6: Final answer
    x = 259,089.55

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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.