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Finding the Fourth Proportional to 354,197.34, 488,789.19 and 193,052.39

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Solution

The fourth proportional to 354,197.34, 488,789.19 and 193,052.39 is: 266,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,197.34 : 488,789.19 = 193,052.39 : x
  2. Step 2: Convert to fraction form
    354,197.34/488,789.19 = 193,052.39/x
  3. Step 3: Cross multiply
    354,197.34x = 488,789.19 × 193,052.39
  4. Step 4: Simplify right side
    354,197.34x = 94,361,918,891.72
  5. Step 5: Solve for x
    x = 94,361,918,891.72/354,197.34
  6. Step 6: Final answer
    x = 266,410.58

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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.