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Finding the Fourth Proportional to 967,609.20, 1,449,664.20 and 827,641.20

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Solution

The fourth proportional to 967,609.20, 1,449,664.20 and 827,641.20 is: 1,239,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,609.20 : 1,449,664.20 = 827,641.20 : x
  2. Step 2: Convert to fraction form
    967,609.20/1,449,664.20 = 827,641.20/x
  3. Step 3: Cross multiply
    967,609.20x = 1,449,664.20 × 827,641.20
  4. Step 4: Simplify right side
    967,609.20x = 1,199,801,818,085.04
  5. Step 5: Solve for x
    x = 1,199,801,818,085.04/967,609.20
  6. Step 6: Final answer
    x = 1,239,965.29

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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.