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Finding the Fourth Proportional to 599,956.80, 827,940 and 328,025.76

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Solution

The fourth proportional to 599,956.80, 827,940 and 328,025.76 is: 452,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,956.80 : 827,940 = 328,025.76 : x
  2. Step 2: Convert to fraction form
    599,956.80/827,940 = 328,025.76/x
  3. Step 3: Cross multiply
    599,956.80x = 827,940 × 328,025.76
  4. Step 4: Simplify right side
    599,956.80x = 271,585,647,734.40
  5. Step 5: Solve for x
    x = 271,585,647,734.40/599,956.80
  6. Step 6: Final answer
    x = 452,675.34

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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.