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Finding the Fourth Proportional to 347,976.27, 480,240.95 and 195,040.44

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Solution

The fourth proportional to 347,976.27, 480,240.95 and 195,040.44 is: 269,174.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,976.27 : 480,240.95 = 195,040.44 : x
  2. Step 2: Convert to fraction form
    347,976.27/480,240.95 = 195,040.44/x
  3. Step 3: Cross multiply
    347,976.27x = 480,240.95 × 195,040.44
  4. Step 4: Simplify right side
    347,976.27x = 93,666,406,194.02
  5. Step 5: Solve for x
    x = 93,666,406,194.02/347,976.27
  6. Step 6: Final answer
    x = 269,174.69

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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.