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Finding the Fourth Proportional to 358,222.37, 494,346.87 and 197,073.96

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Solution

The fourth proportional to 358,222.37, 494,346.87 and 197,073.96 is: 271,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,222.37 : 494,346.87 = 197,073.96 : x
  2. Step 2: Convert to fraction form
    358,222.37/494,346.87 = 197,073.96/x
  3. Step 3: Cross multiply
    358,222.37x = 494,346.87 × 197,073.96
  4. Step 4: Simplify right side
    358,222.37x = 97,422,894,299.14
  5. Step 5: Solve for x
    x = 97,422,894,299.14/358,222.37
  6. Step 6: Final answer
    x = 271,962.06

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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.