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Finding the Fourth Proportional to 366,361.72, 505,825.91 and 228,750.18

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Solution

The fourth proportional to 366,361.72, 505,825.91 and 228,750.18 is: 315,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,361.72 : 505,825.91 = 228,750.18 : x
  2. Step 2: Convert to fraction form
    366,361.72/505,825.91 = 228,750.18/x
  3. Step 3: Cross multiply
    366,361.72x = 505,825.91 × 228,750.18
  4. Step 4: Simplify right side
    366,361.72x = 115,707,767,961.16
  5. Step 5: Solve for x
    x = 115,707,767,961.16/366,361.72
  6. Step 6: Final answer
    x = 315,829.31

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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.