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Finding the Fourth Proportional to 358,057.05, 494,108.86 and 196,912.08

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Solution

The fourth proportional to 358,057.05, 494,108.86 and 196,912.08 is: 271,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,057.05 : 494,108.86 = 196,912.08 : x
  2. Step 2: Convert to fraction form
    358,057.05/494,108.86 = 196,912.08/x
  3. Step 3: Cross multiply
    358,057.05x = 494,108.86 × 196,912.08
  4. Step 4: Simplify right side
    358,057.05x = 97,296,003,369.03
  5. Step 5: Solve for x
    x = 97,296,003,369.03/358,057.05
  6. Step 6: Final answer
    x = 271,733.24

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1.5x scale

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.