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Finding the Fourth Proportional to 701,494.08, 967,824.96 and 399,474.24

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Solution

The fourth proportional to 701,494.08, 967,824.96 and 399,474.24 is: 551,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,494.08 : 967,824.96 = 399,474.24 : x
  2. Step 2: Convert to fraction form
    701,494.08/967,824.96 = 399,474.24/x
  3. Step 3: Cross multiply
    701,494.08x = 967,824.96 × 399,474.24
  4. Step 4: Simplify right side
    701,494.08x = 386,621,140,349.03
  5. Step 5: Solve for x
    x = 386,621,140,349.03/701,494.08
  6. Step 6: Final answer
    x = 551,139.56

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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.