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Finding the Fourth Proportional to 354,542.43, 531,370.73 and 227,845.47

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Solution

The fourth proportional to 354,542.43, 531,370.73 and 227,845.47 is: 341,483.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,542.43 : 531,370.73 = 227,845.47 : x
  2. Step 2: Convert to fraction form
    354,542.43/531,370.73 = 227,845.47/x
  3. Step 3: Cross multiply
    354,542.43x = 531,370.73 × 227,845.47
  4. Step 4: Simplify right side
    354,542.43x = 121,070,416,283.35
  5. Step 5: Solve for x
    x = 121,070,416,283.35/354,542.43
  6. Step 6: Final answer
    x = 341,483.57

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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.