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Finding the Fourth Proportional to 330,367.82, 495,548.99 and 196,360.61

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Solution

The fourth proportional to 330,367.82, 495,548.99 and 196,360.61 is: 294,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,367.82 : 495,548.99 = 196,360.61 : x
  2. Step 2: Convert to fraction form
    330,367.82/495,548.99 = 196,360.61/x
  3. Step 3: Cross multiply
    330,367.82x = 495,548.99 × 196,360.61
  4. Step 4: Simplify right side
    330,367.82x = 97,306,299,238.09
  5. Step 5: Solve for x
    x = 97,306,299,238.09/330,367.82
  6. Step 6: Final answer
    x = 294,539.28

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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.