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Finding the Fourth Proportional to 884.48, 1,325.64 and 451.40

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Solution

The fourth proportional to 884.48, 1,325.64 and 451.40 is: 676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.48 : 1,325.64 = 451.40 : x
  2. Step 2: Convert to fraction form
    884.48/1,325.64 = 451.40/x
  3. Step 3: Cross multiply
    884.48x = 1,325.64 × 451.40
  4. Step 4: Simplify right side
    884.48x = 598,393.90
  5. Step 5: Solve for x
    x = 598,393.90/884.48
  6. Step 6: Final answer
    x = 676.55

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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.