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Finding the Fourth Proportional to 350,470.89, 483,811.29 and 205,256.49

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Solution

The fourth proportional to 350,470.89, 483,811.29 and 205,256.49 is: 283,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,470.89 : 483,811.29 = 205,256.49 : x
  2. Step 2: Convert to fraction form
    350,470.89/483,811.29 = 205,256.49/x
  3. Step 3: Cross multiply
    350,470.89x = 483,811.29 × 205,256.49
  4. Step 4: Simplify right side
    350,470.89x = 99,305,404,282.73
  5. Step 5: Solve for x
    x = 99,305,404,282.73/350,470.89
  6. Step 6: Final answer
    x = 283,348.51

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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.