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Finding the Fourth Proportional to 797.63, 1,100.66 and 448.29

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Solution

The fourth proportional to 797.63, 1,100.66 and 448.29 is: 618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.63 : 1,100.66 = 448.29 : x
  2. Step 2: Convert to fraction form
    797.63/1,100.66 = 448.29/x
  3. Step 3: Cross multiply
    797.63x = 1,100.66 × 448.29
  4. Step 4: Simplify right side
    797.63x = 493,412.63
  5. Step 5: Solve for x
    x = 493,412.63/797.63
  6. Step 6: Final answer
    x = 618.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.