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Finding the Fourth Proportional to 844.90, 1,263.98 and 713.42

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Solution

The fourth proportional to 844.90, 1,263.98 and 713.42 is: 1,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.90 : 1,263.98 = 713.42 : x
  2. Step 2: Convert to fraction form
    844.90/1,263.98 = 713.42/x
  3. Step 3: Cross multiply
    844.90x = 1,263.98 × 713.42
  4. Step 4: Simplify right side
    844.90x = 901,748.61
  5. Step 5: Solve for x
    x = 901,748.61/844.90
  6. Step 6: Final answer
    x = 1,067.28

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