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Finding the Fourth Proportional to 358,192.59, 494,295.37 and 197,047.54

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Solution

The fourth proportional to 358,192.59, 494,295.37 and 197,047.54 is: 271,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,192.59 : 494,295.37 = 197,047.54 : x
  2. Step 2: Convert to fraction form
    358,192.59/494,295.37 = 197,047.54/x
  3. Step 3: Cross multiply
    358,192.59x = 494,295.37 × 197,047.54
  4. Step 4: Simplify right side
    358,192.59x = 97,399,686,691.89
  5. Step 5: Solve for x
    x = 97,399,686,691.89/358,192.59
  6. Step 6: Final answer
    x = 271,919.88

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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.