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Finding the Fourth Proportional to 330,893.36, 495,087.52 and 196,029.83

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Solution

The fourth proportional to 330,893.36, 495,087.52 and 196,029.83 is: 293,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,893.36 : 495,087.52 = 196,029.83 : x
  2. Step 2: Convert to fraction form
    330,893.36/495,087.52 = 196,029.83/x
  3. Step 3: Cross multiply
    330,893.36x = 495,087.52 × 196,029.83
  4. Step 4: Simplify right side
    330,893.36x = 97,051,922,380.72
  5. Step 5: Solve for x
    x = 97,051,922,380.72/330,893.36
  6. Step 6: Final answer
    x = 293,302.72

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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.