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Finding the Fourth Proportional to 1,552.09, 2,327.56 and 627.40

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Solution

The fourth proportional to 1,552.09, 2,327.56 and 627.40 is: 940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.09 : 2,327.56 = 627.40 : x
  2. Step 2: Convert to fraction form
    1,552.09/2,327.56 = 627.40/x
  3. Step 3: Cross multiply
    1,552.09x = 2,327.56 × 627.40
  4. Step 4: Simplify right side
    1,552.09x = 1,460,311.14
  5. Step 5: Solve for x
    x = 1,460,311.14/1,552.09
  6. Step 6: Final answer
    x = 940.87

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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.