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Finding the Fourth Proportional to 348,454.98, 480,838.77 and 195,471.90

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Solution

The fourth proportional to 348,454.98, 480,838.77 and 195,471.90 is: 269,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,454.98 : 480,838.77 = 195,471.90 : x
  2. Step 2: Convert to fraction form
    348,454.98/480,838.77 = 195,471.90/x
  3. Step 3: Cross multiply
    348,454.98x = 480,838.77 × 195,471.90
  4. Step 4: Simplify right side
    348,454.98x = 93,990,467,965.56
  5. Step 5: Solve for x
    x = 93,990,467,965.56/348,454.98
  6. Step 6: Final answer
    x = 269,734.90

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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.