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Finding the Fourth Proportional to 349,054.89, 481,661.73 and 196,058.43

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Solution

The fourth proportional to 349,054.89, 481,661.73 and 196,058.43 is: 270,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,054.89 : 481,661.73 = 196,058.43 : x
  2. Step 2: Convert to fraction form
    349,054.89/481,661.73 = 196,058.43/x
  3. Step 3: Cross multiply
    349,054.89x = 481,661.73 × 196,058.43
  4. Step 4: Simplify right side
    349,054.89x = 94,433,842,574.88
  5. Step 5: Solve for x
    x = 94,433,842,574.88/349,054.89
  6. Step 6: Final answer
    x = 270,541.53

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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.