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Finding the Fourth Proportional to 326,489.05, 489,563.66 and 116,096.41

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Solution

The fourth proportional to 326,489.05, 489,563.66 and 116,096.41 is: 174,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,489.05 : 489,563.66 = 116,096.41 : x
  2. Step 2: Convert to fraction form
    326,489.05/489,563.66 = 116,096.41/x
  3. Step 3: Cross multiply
    326,489.05x = 489,563.66 × 116,096.41
  4. Step 4: Simplify right side
    326,489.05x = 56,836,582,811.98
  5. Step 5: Solve for x
    x = 56,836,582,811.98/326,489.05
  6. Step 6: Final answer
    x = 174,084.19

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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.