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Finding the Fourth Proportional to 329,324.43, 494,015.81 and 92,669.16

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Solution

The fourth proportional to 329,324.43, 494,015.81 and 92,669.16 is: 139,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,324.43 : 494,015.81 = 92,669.16 : x
  2. Step 2: Convert to fraction form
    329,324.43/494,015.81 = 92,669.16/x
  3. Step 3: Cross multiply
    329,324.43x = 494,015.81 × 92,669.16
  4. Step 4: Simplify right side
    329,324.43x = 45,780,029,676.07
  5. Step 5: Solve for x
    x = 45,780,029,676.07/329,324.43
  6. Step 6: Final answer
    x = 139,011.95

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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.