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Finding the Fourth Proportional to 350,729.94, 484,007.20 and 189,584.90

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Solution

The fourth proportional to 350,729.94, 484,007.20 and 189,584.90 is: 261,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,729.94 : 484,007.20 = 189,584.90 : x
  2. Step 2: Convert to fraction form
    350,729.94/484,007.20 = 189,584.90/x
  3. Step 3: Cross multiply
    350,729.94x = 484,007.20 × 189,584.90
  4. Step 4: Simplify right side
    350,729.94x = 91,760,456,611.28
  5. Step 5: Solve for x
    x = 91,760,456,611.28/350,729.94
  6. Step 6: Final answer
    x = 261,627.10

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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.