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Finding the Fourth Proportional to 349,051.88, 481,657.59 and 196,055.44

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Solution

The fourth proportional to 349,051.88, 481,657.59 and 196,055.44 is: 270,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,051.88 : 481,657.59 = 196,055.44 : x
  2. Step 2: Convert to fraction form
    349,051.88/481,657.59 = 196,055.44/x
  3. Step 3: Cross multiply
    349,051.88x = 481,657.59 × 196,055.44
  4. Step 4: Simplify right side
    349,051.88x = 94,431,589,532.65
  5. Step 5: Solve for x
    x = 94,431,589,532.65/349,051.88
  6. Step 6: Final answer
    x = 270,537.40

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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.