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Finding the Fourth Proportional to 349,100.88, 481,729.62 and 196,127.07

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Solution

The fourth proportional to 349,100.88, 481,729.62 and 196,127.07 is: 270,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,100.88 : 481,729.62 = 196,127.07 : x
  2. Step 2: Convert to fraction form
    349,100.88/481,729.62 = 196,127.07/x
  3. Step 3: Cross multiply
    349,100.88x = 481,729.62 × 196,127.07
  4. Step 4: Simplify right side
    349,100.88x = 94,480,218,902.81
  5. Step 5: Solve for x
    x = 94,480,218,902.81/349,100.88
  6. Step 6: Final answer
    x = 270,638.73

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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.