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Finding the Fourth Proportional to 358,222.25, 494,346.69 and 197,073.84

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Solution

The fourth proportional to 358,222.25, 494,346.69 and 197,073.84 is: 271,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,222.25 : 494,346.69 = 197,073.84 : x
  2. Step 2: Convert to fraction form
    358,222.25/494,346.69 = 197,073.84/x
  3. Step 3: Cross multiply
    358,222.25x = 494,346.69 × 197,073.84
  4. Step 4: Simplify right side
    358,222.25x = 97,422,800,489.59
  5. Step 5: Solve for x
    x = 97,422,800,489.59/358,222.25
  6. Step 6: Final answer
    x = 271,961.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.