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Finding the Fourth Proportional to 603,888.43, 833,376.38 and 331,967.78

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Solution

The fourth proportional to 603,888.43, 833,376.38 and 331,967.78 is: 458,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,888.43 : 833,376.38 = 331,967.78 : x
  2. Step 2: Convert to fraction form
    603,888.43/833,376.38 = 331,967.78/x
  3. Step 3: Cross multiply
    603,888.43x = 833,376.38 × 331,967.78
  4. Step 4: Simplify right side
    603,888.43x = 276,654,106,410.50
  5. Step 5: Solve for x
    x = 276,654,106,410.50/603,888.43
  6. Step 6: Final answer
    x = 458,121.23

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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.