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Finding the Fourth Proportional to 388,324.44, 582,713.04 and 163,670.92

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Solution

The fourth proportional to 388,324.44, 582,713.04 and 163,670.92 is: 245,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,324.44 : 582,713.04 = 163,670.92 : x
  2. Step 2: Convert to fraction form
    388,324.44/582,713.04 = 163,670.92/x
  3. Step 3: Cross multiply
    388,324.44x = 582,713.04 × 163,670.92
  4. Step 4: Simplify right side
    388,324.44x = 95,373,179,352.80
  5. Step 5: Solve for x
    x = 95,373,179,352.80/388,324.44
  6. Step 6: Final answer
    x = 245,601.79

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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.