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Finding the Fourth Proportional to 1,394.73, 2,092.41 and 470.22

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Solution

The fourth proportional to 1,394.73, 2,092.41 and 470.22 is: 705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.73 : 2,092.41 = 470.22 : x
  2. Step 2: Convert to fraction form
    1,394.73/2,092.41 = 470.22/x
  3. Step 3: Cross multiply
    1,394.73x = 2,092.41 × 470.22
  4. Step 4: Simplify right side
    1,394.73x = 983,893.03
  5. Step 5: Solve for x
    x = 983,893.03/1,394.73
  6. Step 6: Final answer
    x = 705.44

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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.