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Finding the Fourth Proportional to 2,266.31, 3,399.48 and 623.03

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Solution

The fourth proportional to 2,266.31, 3,399.48 and 623.03 is: 934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.31 : 3,399.48 = 623.03 : x
  2. Step 2: Convert to fraction form
    2,266.31/3,399.48 = 623.03/x
  3. Step 3: Cross multiply
    2,266.31x = 3,399.48 × 623.03
  4. Step 4: Simplify right side
    2,266.31x = 2,117,978.02
  5. Step 5: Solve for x
    x = 2,117,978.02/2,266.31
  6. Step 6: Final answer
    x = 934.55

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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.