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Finding the Fourth Proportional to 361,633.66, 542,448.33 and 196,471.42

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Solution

The fourth proportional to 361,633.66, 542,448.33 and 196,471.42 is: 294,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,633.66 : 542,448.33 = 196,471.42 : x
  2. Step 2: Convert to fraction form
    361,633.66/542,448.33 = 196,471.42/x
  3. Step 3: Cross multiply
    361,633.66x = 542,448.33 × 196,471.42
  4. Step 4: Simplify right side
    361,633.66x = 106,575,593,671.73
  5. Step 5: Solve for x
    x = 106,575,593,671.73/361,633.66
  6. Step 6: Final answer
    x = 294,705.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.