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Finding the Fourth Proportional to 603,908.63, 833,404.44 and 331,987.98

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Solution

The fourth proportional to 603,908.63, 833,404.44 and 331,987.98 is: 458,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,908.63 : 833,404.44 = 331,987.98 : x
  2. Step 2: Convert to fraction form
    603,908.63/833,404.44 = 331,987.98/x
  3. Step 3: Cross multiply
    603,908.63x = 833,404.44 × 331,987.98
  4. Step 4: Simplify right side
    603,908.63x = 276,680,256,558.63
  5. Step 5: Solve for x
    x = 276,680,256,558.63/603,908.63
  6. Step 6: Final answer
    x = 458,149.21

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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.