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Finding the Fourth Proportional to 348,188.57, 480,520.06 and 195,219.37

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Solution

The fourth proportional to 348,188.57, 480,520.06 and 195,219.37 is: 269,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,188.57 : 480,520.06 = 195,219.37 : x
  2. Step 2: Convert to fraction form
    348,188.57/480,520.06 = 195,219.37/x
  3. Step 3: Cross multiply
    348,188.57x = 480,520.06 × 195,219.37
  4. Step 4: Simplify right side
    348,188.57x = 93,806,821,893.35
  5. Step 5: Solve for x
    x = 93,806,821,893.35/348,188.57
  6. Step 6: Final answer
    x = 269,413.84

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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.