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Finding the Fourth Proportional to 1,194.54, 1,790.79 and 464.64

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Solution

The fourth proportional to 1,194.54, 1,790.79 and 464.64 is: 696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.54 : 1,790.79 = 464.64 : x
  2. Step 2: Convert to fraction form
    1,194.54/1,790.79 = 464.64/x
  3. Step 3: Cross multiply
    1,194.54x = 1,790.79 × 464.64
  4. Step 4: Simplify right side
    1,194.54x = 832,072.67
  5. Step 5: Solve for x
    x = 832,072.67/1,194.54
  6. Step 6: Final answer
    x = 696.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.