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Finding the Fourth Proportional to 329,353.70, 494,030.73 and 92,696.38

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Solution

The fourth proportional to 329,353.70, 494,030.73 and 92,696.38 is: 139,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,353.70 : 494,030.73 = 92,696.38 : x
  2. Step 2: Convert to fraction form
    329,353.70/494,030.73 = 92,696.38/x
  3. Step 3: Cross multiply
    329,353.70x = 494,030.73 × 92,696.38
  4. Step 4: Simplify right side
    329,353.70x = 45,794,859,816.28
  5. Step 5: Solve for x
    x = 45,794,859,816.28/329,353.70
  6. Step 6: Final answer
    x = 139,044.62

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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.