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Finding the Fourth Proportional to 349,187.61, 481,842.95 and 196,201.47

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Solution

The fourth proportional to 349,187.61, 481,842.95 and 196,201.47 is: 270,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,187.61 : 481,842.95 = 196,201.47 : x
  2. Step 2: Convert to fraction form
    349,187.61/481,842.95 = 196,201.47/x
  3. Step 3: Cross multiply
    349,187.61x = 481,842.95 × 196,201.47
  4. Step 4: Simplify right side
    349,187.61x = 94,538,294,118.13
  5. Step 5: Solve for x
    x = 94,538,294,118.13/349,187.61
  6. Step 6: Final answer
    x = 270,737.83

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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.