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Finding the Fourth Proportional to 352,361.49, 486,259.18 and 191,216.54

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Solution

The fourth proportional to 352,361.49, 486,259.18 and 191,216.54 is: 263,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,361.49 : 486,259.18 = 191,216.54 : x
  2. Step 2: Convert to fraction form
    352,361.49/486,259.18 = 191,216.54/x
  3. Step 3: Cross multiply
    352,361.49x = 486,259.18 × 191,216.54
  4. Step 4: Simplify right side
    352,361.49x = 92,980,797,996.64
  5. Step 5: Solve for x
    x = 92,980,797,996.64/352,361.49
  6. Step 6: Final answer
    x = 263,879.00

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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.