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Finding the Fourth Proportional to 352,243.95, 486,096.81 and 191,098.95

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Solution

The fourth proportional to 352,243.95, 486,096.81 and 191,098.95 is: 263,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,243.95 : 486,096.81 = 191,098.95 : x
  2. Step 2: Convert to fraction form
    352,243.95/486,096.81 = 191,098.95/x
  3. Step 3: Cross multiply
    352,243.95x = 486,096.81 × 191,098.95
  4. Step 4: Simplify right side
    352,243.95x = 92,892,589,989.35
  5. Step 5: Solve for x
    x = 92,892,589,989.35/352,243.95
  6. Step 6: Final answer
    x = 263,716.64

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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.