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Finding the Fourth Proportional to 603,918.60, 833,316.36 and 331,998

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Solution

The fourth proportional to 603,918.60, 833,316.36 and 331,998 is: 458,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,918.60 : 833,316.36 = 331,998 : x
  2. Step 2: Convert to fraction form
    603,918.60/833,316.36 = 331,998/x
  3. Step 3: Cross multiply
    603,918.60x = 833,316.36 × 331,998
  4. Step 4: Simplify right side
    603,918.60x = 276,659,364,887.28
  5. Step 5: Solve for x
    x = 276,659,364,887.28/603,918.60
  6. Step 6: Final answer
    x = 458,107.04

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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.