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Finding the Fourth Proportional to 354,172.44, 488,743.73 and 193,024.04

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Solution

The fourth proportional to 354,172.44, 488,743.73 and 193,024.04 is: 266,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,172.44 : 488,743.73 = 193,024.04 : x
  2. Step 2: Convert to fraction form
    354,172.44/488,743.73 = 193,024.04/x
  3. Step 3: Cross multiply
    354,172.44x = 488,743.73 × 193,024.04
  4. Step 4: Simplify right side
    354,172.44x = 94,339,285,880.43
  5. Step 5: Solve for x
    x = 94,339,285,880.43/354,172.44
  6. Step 6: Final answer
    x = 266,365.41

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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.