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Finding the Fourth Proportional to 793,694.72, 1,094,990 and 449,451.60

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Solution

The fourth proportional to 793,694.72, 1,094,990 and 449,451.60 is: 620,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,694.72 : 1,094,990 = 449,451.60 : x
  2. Step 2: Convert to fraction form
    793,694.72/1,094,990 = 449,451.60/x
  3. Step 3: Cross multiply
    793,694.72x = 1,094,990 × 449,451.60
  4. Step 4: Simplify right side
    793,694.72x = 492,145,007,484
  5. Step 5: Solve for x
    x = 492,145,007,484/793,694.72
  6. Step 6: Final answer
    x = 620,068.39

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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.