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Finding the Fourth Proportional to 603,900.77, 833,401.71 and 331,989.44

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Solution

The fourth proportional to 603,900.77, 833,401.71 and 331,989.44 is: 458,155.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,900.77 : 833,401.71 = 331,989.44 : x
  2. Step 2: Convert to fraction form
    603,900.77/833,401.71 = 331,989.44/x
  3. Step 3: Cross multiply
    603,900.77x = 833,401.71 × 331,989.44
  4. Step 4: Simplify right side
    603,900.77x = 276,680,562,830.93
  5. Step 5: Solve for x
    x = 276,680,562,830.93/603,900.77
  6. Step 6: Final answer
    x = 458,155.68

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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.