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Finding the Fourth Proportional to 416,912.04, 626,204.97 and 248,760.54

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Solution

The fourth proportional to 416,912.04, 626,204.97 and 248,760.54 is: 373,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,912.04 : 626,204.97 = 248,760.54 : x
  2. Step 2: Convert to fraction form
    416,912.04/626,204.97 = 248,760.54/x
  3. Step 3: Cross multiply
    416,912.04x = 626,204.97 × 248,760.54
  4. Step 4: Simplify right side
    416,912.04x = 155,775,086,487.88
  5. Step 5: Solve for x
    x = 155,775,086,487.88/416,912.04
  6. Step 6: Final answer
    x = 373,640.17

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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.