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Finding the Fourth Proportional to 603,913.25, 833,410.82 and 331,992.61

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Solution

The fourth proportional to 603,913.25, 833,410.82 and 331,992.61 is: 458,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,913.25 : 833,410.82 = 331,992.61 : x
  2. Step 2: Convert to fraction form
    603,913.25/833,410.82 = 331,992.61/x
  3. Step 3: Cross multiply
    603,913.25x = 833,410.82 × 331,992.61
  4. Step 4: Simplify right side
    603,913.25x = 276,686,233,334.04
  5. Step 5: Solve for x
    x = 276,686,233,334.04/603,913.25
  6. Step 6: Final answer
    x = 458,155.59

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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.