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Finding the Fourth Proportional to 358,062.30, 494,116.12 and 196,917.36

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Solution

The fourth proportional to 358,062.30, 494,116.12 and 196,917.36 is: 271,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,062.30 : 494,116.12 = 196,917.36 : x
  2. Step 2: Convert to fraction form
    358,062.30/494,116.12 = 196,917.36/x
  3. Step 3: Cross multiply
    358,062.30x = 494,116.12 × 196,917.36
  4. Step 4: Simplify right side
    358,062.30x = 97,300,041,883.84
  5. Step 5: Solve for x
    x = 97,300,041,883.84/358,062.30
  6. Step 6: Final answer
    x = 271,740.54

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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.