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Finding the Fourth Proportional to 349,055.89, 481,663.11 and 196,059.43

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Solution

The fourth proportional to 349,055.89, 481,663.11 and 196,059.43 is: 270,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,055.89 : 481,663.11 = 196,059.43 : x
  2. Step 2: Convert to fraction form
    349,055.89/481,663.11 = 196,059.43/x
  3. Step 3: Cross multiply
    349,055.89x = 481,663.11 × 196,059.43
  4. Step 4: Simplify right side
    349,055.89x = 94,434,594,798.63
  5. Step 5: Solve for x
    x = 94,434,594,798.63/349,055.89
  6. Step 6: Final answer
    x = 270,542.91

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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.