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Finding the Fourth Proportional to 361,986.22, 499,586.70 and 237,912.04

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Solution

The fourth proportional to 361,986.22, 499,586.70 and 237,912.04 is: 328,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,986.22 : 499,586.70 = 237,912.04 : x
  2. Step 2: Convert to fraction form
    361,986.22/499,586.70 = 237,912.04/x
  3. Step 3: Cross multiply
    361,986.22x = 499,586.70 × 237,912.04
  4. Step 4: Simplify right side
    361,986.22x = 118,857,690,953.87
  5. Step 5: Solve for x
    x = 118,857,690,953.87/361,986.22
  6. Step 6: Final answer
    x = 328,348.66

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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.