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Finding the Fourth Proportional to 603,910.77, 833,415.51 and 331,999.44

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Solution

The fourth proportional to 603,910.77, 833,415.51 and 331,999.44 is: 458,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,910.77 : 833,415.51 = 331,999.44 : x
  2. Step 2: Convert to fraction form
    603,910.77/833,415.51 = 331,999.44/x
  3. Step 3: Cross multiply
    603,910.77x = 833,415.51 × 331,999.44
  4. Step 4: Simplify right side
    603,910.77x = 276,693,482,607.31
  5. Step 5: Solve for x
    x = 276,693,482,607.31/603,910.77
  6. Step 6: Final answer
    x = 458,169.48

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1.5x scale

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.