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Finding the Fourth Proportional to 358,003.92, 494,040.87 and 196,857.66

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Solution

The fourth proportional to 358,003.92, 494,040.87 and 196,857.66 is: 271,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.92 : 494,040.87 = 196,857.66 : x
  2. Step 2: Convert to fraction form
    358,003.92/494,040.87 = 196,857.66/x
  3. Step 3: Cross multiply
    358,003.92x = 494,040.87 × 196,857.66
  4. Step 4: Simplify right side
    358,003.92x = 97,255,729,612.56
  5. Step 5: Solve for x
    x = 97,255,729,612.56/358,003.92
  6. Step 6: Final answer
    x = 271,661.07

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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.