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Finding the Fourth Proportional to 366,595.20, 505,906.56 and 223,361.28

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Solution

The fourth proportional to 366,595.20, 505,906.56 and 223,361.28 is: 308,241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,595.20 : 505,906.56 = 223,361.28 : x
  2. Step 2: Convert to fraction form
    366,595.20/505,906.56 = 223,361.28/x
  3. Step 3: Cross multiply
    366,595.20x = 505,906.56 × 223,361.28
  4. Step 4: Simplify right side
    366,595.20x = 112,999,936,802.00
  5. Step 5: Solve for x
    x = 112,999,936,802.00/366,595.20
  6. Step 6: Final answer
    x = 308,241.72

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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.