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Finding the Fourth Proportional to 655,194.96, 982,683.09 and 181,928.16

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Solution

The fourth proportional to 655,194.96, 982,683.09 and 181,928.16 is: 272,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,194.96 : 982,683.09 = 181,928.16 : x
  2. Step 2: Convert to fraction form
    655,194.96/982,683.09 = 181,928.16/x
  3. Step 3: Cross multiply
    655,194.96x = 982,683.09 × 181,928.16
  4. Step 4: Simplify right side
    655,194.96x = 178,777,726,426.81
  5. Step 5: Solve for x
    x = 178,777,726,426.81/655,194.96
  6. Step 6: Final answer
    x = 272,861.88

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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.