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Finding the Fourth Proportional to 701,896.91, 968,617.74 and 379,607.01

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Solution

The fourth proportional to 701,896.91, 968,617.74 and 379,607.01 is: 523,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,896.91 : 968,617.74 = 379,607.01 : x
  2. Step 2: Convert to fraction form
    701,896.91/968,617.74 = 379,607.01/x
  3. Step 3: Cross multiply
    701,896.91x = 968,617.74 × 379,607.01
  4. Step 4: Simplify right side
    701,896.91x = 367,694,084,114.36
  5. Step 5: Solve for x
    x = 367,694,084,114.36/701,896.91
  6. Step 6: Final answer
    x = 523,857.68

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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.