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Finding the Fourth Proportional to 354,172.43, 488,743.72 and 193,024.04

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Solution

The fourth proportional to 354,172.43, 488,743.72 and 193,024.04 is: 266,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,172.43 : 488,743.72 = 193,024.04 : x
  2. Step 2: Convert to fraction form
    354,172.43/488,743.72 = 193,024.04/x
  3. Step 3: Cross multiply
    354,172.43x = 488,743.72 × 193,024.04
  4. Step 4: Simplify right side
    354,172.43x = 94,339,284,432.75
  5. Step 5: Solve for x
    x = 94,339,284,432.75/354,172.43
  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.