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Finding the Fourth Proportional to 1,627.68, 2,440.44 and 531.66

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Solution

The fourth proportional to 1,627.68, 2,440.44 and 531.66 is: 797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.68 : 2,440.44 = 531.66 : x
  2. Step 2: Convert to fraction form
    1,627.68/2,440.44 = 531.66/x
  3. Step 3: Cross multiply
    1,627.68x = 2,440.44 × 531.66
  4. Step 4: Simplify right side
    1,627.68x = 1,297,484.33
  5. Step 5: Solve for x
    x = 1,297,484.33/1,627.68
  6. Step 6: Final answer
    x = 797.14

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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.