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Finding the Fourth Proportional to 603,877.73, 833,003.22 and 377,129.57

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Solution

The fourth proportional to 603,877.73, 833,003.22 and 377,129.57 is: 520,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,877.73 : 833,003.22 = 377,129.57 : x
  2. Step 2: Convert to fraction form
    603,877.73/833,003.22 = 377,129.57/x
  3. Step 3: Cross multiply
    603,877.73x = 833,003.22 × 377,129.57
  4. Step 4: Simplify right side
    603,877.73x = 314,150,143,416.44
  5. Step 5: Solve for x
    x = 314,150,143,416.44/603,877.73
  6. Step 6: Final answer
    x = 520,221.45

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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.