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Finding the Fourth Proportional to 735.54, 1,015.01 and 403.96

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Solution

The fourth proportional to 735.54, 1,015.01 and 403.96 is: 557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.54 : 1,015.01 = 403.96 : x
  2. Step 2: Convert to fraction form
    735.54/1,015.01 = 403.96/x
  3. Step 3: Cross multiply
    735.54x = 1,015.01 × 403.96
  4. Step 4: Simplify right side
    735.54x = 410,016.34
  5. Step 5: Solve for x
    x = 410,016.34/735.54
  6. Step 6: Final answer
    x = 557.44

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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.