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Finding the Fourth Proportional to 349,181.59, 481,834.69 and 196,195.47

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Solution

The fourth proportional to 349,181.59, 481,834.69 and 196,195.47 is: 270,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,181.59 : 481,834.69 = 196,195.47 : x
  2. Step 2: Convert to fraction form
    349,181.59/481,834.69 = 196,195.47/x
  3. Step 3: Cross multiply
    349,181.59x = 481,834.69 × 196,195.47
  4. Step 4: Simplify right side
    349,181.59x = 94,533,782,485.88
  5. Step 5: Solve for x
    x = 94,533,782,485.88/349,181.59
  6. Step 6: Final answer
    x = 270,729.57

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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.