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Finding the Fourth Proportional to 269,792.20, 403,766.70 and 236,614.60

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Solution

The fourth proportional to 269,792.20, 403,766.70 and 236,614.60 is: 354,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,792.20 : 403,766.70 = 236,614.60 : x
  2. Step 2: Convert to fraction form
    269,792.20/403,766.70 = 236,614.60/x
  3. Step 3: Cross multiply
    269,792.20x = 403,766.70 × 236,614.60
  4. Step 4: Simplify right side
    269,792.20x = 95,537,096,213.82
  5. Step 5: Solve for x
    x = 95,537,096,213.82/269,792.20
  6. Step 6: Final answer
    x = 354,113.63

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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.