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Finding the Fourth Proportional to 1,194.48, 1,791.36 and 464.40

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Solution

The fourth proportional to 1,194.48, 1,791.36 and 464.40 is: 696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.48 : 1,791.36 = 464.40 : x
  2. Step 2: Convert to fraction form
    1,194.48/1,791.36 = 464.40/x
  3. Step 3: Cross multiply
    1,194.48x = 1,791.36 × 464.40
  4. Step 4: Simplify right side
    1,194.48x = 831,907.58
  5. Step 5: Solve for x
    x = 831,907.58/1,194.48
  6. Step 6: Final answer
    x = 696.46

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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.