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Finding the Fourth Proportional to 347,995.89, 480,268.04 and 195,060.06

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Solution

The fourth proportional to 347,995.89, 480,268.04 and 195,060.06 is: 269,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,995.89 : 480,268.04 = 195,060.06 : x
  2. Step 2: Convert to fraction form
    347,995.89/480,268.04 = 195,060.06/x
  3. Step 3: Cross multiply
    347,995.89x = 480,268.04 × 195,060.06
  4. Step 4: Simplify right side
    347,995.89x = 93,681,111,723.18
  5. Step 5: Solve for x
    x = 93,681,111,723.18/347,995.89
  6. Step 6: Final answer
    x = 269,201.78

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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.