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Finding the Fourth Proportional to 348,728.95, 481,245.70 and 195,767.44

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Solution

The fourth proportional to 348,728.95, 481,245.70 and 195,767.44 is: 270,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,728.95 : 481,245.70 = 195,767.44 : x
  2. Step 2: Convert to fraction form
    348,728.95/481,245.70 = 195,767.44/x
  3. Step 3: Cross multiply
    348,728.95x = 481,245.70 × 195,767.44
  4. Step 4: Simplify right side
    348,728.95x = 94,212,238,700.01
  5. Step 5: Solve for x
    x = 94,212,238,700.01/348,728.95
  6. Step 6: Final answer
    x = 270,158.93

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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.