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Finding the Fourth Proportional to 1,194.47, 1,791.25 and 463.95

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Solution

The fourth proportional to 1,194.47, 1,791.25 and 463.95 is: 695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.47 : 1,791.25 = 463.95 : x
  2. Step 2: Convert to fraction form
    1,194.47/1,791.25 = 463.95/x
  3. Step 3: Cross multiply
    1,194.47x = 1,791.25 × 463.95
  4. Step 4: Simplify right side
    1,194.47x = 831,050.44
  5. Step 5: Solve for x
    x = 831,050.44/1,194.47
  6. Step 6: Final answer
    x = 695.75

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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.