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Finding the Fourth Proportional to 357,995.82, 494,046.93 and 196,863.12

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Solution

The fourth proportional to 357,995.82, 494,046.93 and 196,863.12 is: 271,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,995.82 : 494,046.93 = 196,863.12 : x
  2. Step 2: Convert to fraction form
    357,995.82/494,046.93 = 196,863.12/x
  3. Step 3: Cross multiply
    357,995.82x = 494,046.93 × 196,863.12
  4. Step 4: Simplify right side
    357,995.82x = 97,259,620,066.22
  5. Step 5: Solve for x
    x = 97,259,620,066.22/357,995.82
  6. Step 6: Final answer
    x = 271,678.09

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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.