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Finding the Fourth Proportional to 347,975.27, 480,239.57 and 195,039.44

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Solution

The fourth proportional to 347,975.27, 480,239.57 and 195,039.44 is: 269,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,975.27 : 480,239.57 = 195,039.44 : x
  2. Step 2: Convert to fraction form
    347,975.27/480,239.57 = 195,039.44/x
  3. Step 3: Cross multiply
    347,975.27x = 480,239.57 × 195,039.44
  4. Step 4: Simplify right side
    347,975.27x = 93,665,654,885.04
  5. Step 5: Solve for x
    x = 93,665,654,885.04/347,975.27
  6. Step 6: Final answer
    x = 269,173.31

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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.