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Finding the Fourth Proportional to 347,999.27, 480,272.69 and 195,063.44

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Solution

The fourth proportional to 347,999.27, 480,272.69 and 195,063.44 is: 269,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,999.27 : 480,272.69 = 195,063.44 : x
  2. Step 2: Convert to fraction form
    347,999.27/480,272.69 = 195,063.44/x
  3. Step 3: Cross multiply
    347,999.27x = 480,272.69 × 195,063.44
  4. Step 4: Simplify right side
    347,999.27x = 93,683,641,135.75
  5. Step 5: Solve for x
    x = 93,683,641,135.75/347,999.27
  6. Step 6: Final answer
    x = 269,206.43

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1.5x scale

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.