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Finding the Fourth Proportional to 349,127.69, 481,796.78 and 198,224.69

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Solution

The fourth proportional to 349,127.69, 481,796.78 and 198,224.69 is: 273,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,127.69 : 481,796.78 = 198,224.69 : x
  2. Step 2: Convert to fraction form
    349,127.69/481,796.78 = 198,224.69/x
  3. Step 3: Cross multiply
    349,127.69x = 481,796.78 × 198,224.69
  4. Step 4: Simplify right side
    349,127.69x = 95,504,013,958.39
  5. Step 5: Solve for x
    x = 95,504,013,958.39/349,127.69
  6. Step 6: Final answer
    x = 273,550.39

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1.5x scale

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.