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Finding the Fourth Proportional to 331,029.08, 495,917.13 and 195,687.95

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Solution

The fourth proportional to 331,029.08, 495,917.13 and 195,687.95 is: 293,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,029.08 : 495,917.13 = 195,687.95 : x
  2. Step 2: Convert to fraction form
    331,029.08/495,917.13 = 195,687.95/x
  3. Step 3: Cross multiply
    331,029.08x = 495,917.13 × 195,687.95
  4. Step 4: Simplify right side
    331,029.08x = 97,045,007,583.36
  5. Step 5: Solve for x
    x = 97,045,007,583.36/331,029.08
  6. Step 6: Final answer
    x = 293,161.58

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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.