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Finding the Fourth Proportional to 701,621.54, 968,237.63 and 379,331.64

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Solution

The fourth proportional to 701,621.54, 968,237.63 and 379,331.64 is: 523,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,621.54 : 968,237.63 = 379,331.64 : x
  2. Step 2: Convert to fraction form
    701,621.54/968,237.63 = 379,331.64/x
  3. Step 3: Cross multiply
    701,621.54x = 968,237.63 × 379,331.64
  4. Step 4: Simplify right side
    701,621.54x = 367,283,170,641.33
  5. Step 5: Solve for x
    x = 367,283,170,641.33/701,621.54
  6. Step 6: Final answer
    x = 523,477.61

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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.