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Finding the Fourth Proportional to 603,893.55, 833,383.47 and 331,972.92

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Solution

The fourth proportional to 603,893.55, 833,383.47 and 331,972.92 is: 458,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,893.55 : 833,383.47 = 331,972.92 : x
  2. Step 2: Convert to fraction form
    603,893.55/833,383.47 = 331,972.92/x
  3. Step 3: Cross multiply
    603,893.55x = 833,383.47 × 331,972.92
  4. Step 4: Simplify right side
    603,893.55x = 276,660,744,015.63
  5. Step 5: Solve for x
    x = 276,660,744,015.63/603,893.55
  6. Step 6: Final answer
    x = 458,128.33

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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.