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Finding the Fourth Proportional to 357,773.45, 493,739.21 and 196,634.21

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Solution

The fourth proportional to 357,773.45, 493,739.21 and 196,634.21 is: 271,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,773.45 : 493,739.21 = 196,634.21 : x
  2. Step 2: Convert to fraction form
    357,773.45/493,739.21 = 196,634.21/x
  3. Step 3: Cross multiply
    357,773.45x = 493,739.21 × 196,634.21
  4. Step 4: Simplify right side
    357,773.45x = 97,086,019,504.37
  5. Step 5: Solve for x
    x = 97,086,019,504.37/357,773.45
  6. Step 6: Final answer
    x = 271,361.72

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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.