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Finding the Fourth Proportional to 349,813.44, 482,736.84 and 196,851.53

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Solution

The fourth proportional to 349,813.44, 482,736.84 and 196,851.53 is: 271,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,813.44 : 482,736.84 = 196,851.53 : x
  2. Step 2: Convert to fraction form
    349,813.44/482,736.84 = 196,851.53/x
  3. Step 3: Cross multiply
    349,813.44x = 482,736.84 × 196,851.53
  4. Step 4: Simplify right side
    349,813.44x = 95,027,483,127.68
  5. Step 5: Solve for x
    x = 95,027,483,127.68/349,813.44
  6. Step 6: Final answer
    x = 271,651.89

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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.