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Finding the Fourth Proportional to 357,900.44, 493,912.04 and 196,759.53

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Solution

The fourth proportional to 357,900.44, 493,912.04 and 196,759.53 is: 271,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,900.44 : 493,912.04 = 196,759.53 : x
  2. Step 2: Convert to fraction form
    357,900.44/493,912.04 = 196,759.53/x
  3. Step 3: Cross multiply
    357,900.44x = 493,912.04 × 196,759.53
  4. Step 4: Simplify right side
    357,900.44x = 97,181,899,867.94
  5. Step 5: Solve for x
    x = 97,181,899,867.94/357,900.44
  6. Step 6: Final answer
    x = 271,533.34

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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.