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Finding the Fourth Proportional to 347,936.70, 480,144.51 and 204,705.96

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Solution

The fourth proportional to 347,936.70, 480,144.51 and 204,705.96 is: 282,489.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,936.70 : 480,144.51 = 204,705.96 : x
  2. Step 2: Convert to fraction form
    347,936.70/480,144.51 = 204,705.96/x
  3. Step 3: Cross multiply
    347,936.70x = 480,144.51 × 204,705.96
  4. Step 4: Simplify right side
    347,936.70x = 98,288,442,858.28
  5. Step 5: Solve for x
    x = 98,288,442,858.28/347,936.70
  6. Step 6: Final answer
    x = 282,489.44

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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.