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Finding the Fourth Proportional to 349,173.36, 481,900.38 and 196,211.88

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Solution

The fourth proportional to 349,173.36, 481,900.38 and 196,211.88 is: 270,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,173.36 : 481,900.38 = 196,211.88 : x
  2. Step 2: Convert to fraction form
    349,173.36/481,900.38 = 196,211.88/x
  3. Step 3: Cross multiply
    349,173.36x = 481,900.38 × 196,211.88
  4. Step 4: Simplify right side
    349,173.36x = 94,554,579,532.51
  5. Step 5: Solve for x
    x = 94,554,579,532.51/349,173.36
  6. Step 6: Final answer
    x = 270,795.51

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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.