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Finding the Fourth Proportional to 349,357.62, 482,080.01 and 196,360.57

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Solution

The fourth proportional to 349,357.62, 482,080.01 and 196,360.57 is: 270,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,357.62 : 482,080.01 = 196,360.57 : x
  2. Step 2: Convert to fraction form
    349,357.62/482,080.01 = 196,360.57/x
  3. Step 3: Cross multiply
    349,357.62x = 482,080.01 × 196,360.57
  4. Step 4: Simplify right side
    349,357.62x = 94,661,505,170.00
  5. Step 5: Solve for x
    x = 94,661,505,170.00/349,357.62
  6. Step 6: Final answer
    x = 270,958.75

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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.