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Finding the Fourth Proportional to 701,448.87, 967,999.23 and 379,158.78

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Solution

The fourth proportional to 701,448.87, 967,999.23 and 379,158.78 is: 523,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,448.87 : 967,999.23 = 379,158.78 : x
  2. Step 2: Convert to fraction form
    701,448.87/967,999.23 = 379,158.78/x
  3. Step 3: Cross multiply
    701,448.87x = 967,999.23 × 379,158.78
  4. Step 4: Simplify right side
    701,448.87x = 367,025,407,087.74
  5. Step 5: Solve for x
    x = 367,025,407,087.74/701,448.87
  6. Step 6: Final answer
    x = 523,239.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.