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Finding the Fourth Proportional to 1,600.55, 2,400.62 and 627.33

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Solution

The fourth proportional to 1,600.55, 2,400.62 and 627.33 is: 940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.55 : 2,400.62 = 627.33 : x
  2. Step 2: Convert to fraction form
    1,600.55/2,400.62 = 627.33/x
  3. Step 3: Cross multiply
    1,600.55x = 2,400.62 × 627.33
  4. Step 4: Simplify right side
    1,600.55x = 1,505,977.81
  5. Step 5: Solve for x
    x = 1,505,977.81/1,600.55
  6. Step 6: Final answer
    x = 940.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.