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Finding the Fourth Proportional to 658,241.58, 987,396.21 and 184,963.85

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Solution

The fourth proportional to 658,241.58, 987,396.21 and 184,963.85 is: 277,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,241.58 : 987,396.21 = 184,963.85 : x
  2. Step 2: Convert to fraction form
    658,241.58/987,396.21 = 184,963.85/x
  3. Step 3: Cross multiply
    658,241.58x = 987,396.21 × 184,963.85
  4. Step 4: Simplify right side
    658,241.58x = 182,632,599,540.03
  5. Step 5: Solve for x
    x = 182,632,599,540.03/658,241.58
  6. Step 6: Final answer
    x = 277,455.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.