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Finding the Fourth Proportional to 2,262.31, 3,393.50 and 619.02

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Solution

The fourth proportional to 2,262.31, 3,393.50 and 619.02 is: 928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.31 : 3,393.50 = 619.02 : x
  2. Step 2: Convert to fraction form
    2,262.31/3,393.50 = 619.02/x
  3. Step 3: Cross multiply
    2,262.31x = 3,393.50 × 619.02
  4. Step 4: Simplify right side
    2,262.31x = 2,100,644.37
  5. Step 5: Solve for x
    x = 2,100,644.37/2,262.31
  6. Step 6: Final answer
    x = 928.54

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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.