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Finding the Fourth Proportional to 800,325.32, 1,200,044.82 and 327,342.84

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Solution

The fourth proportional to 800,325.32, 1,200,044.82 and 327,342.84 is: 490,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,325.32 : 1,200,044.82 = 327,342.84 : x
  2. Step 2: Convert to fraction form
    800,325.32/1,200,044.82 = 327,342.84/x
  3. Step 3: Cross multiply
    800,325.32x = 1,200,044.82 × 327,342.84
  4. Step 4: Simplify right side
    800,325.32x = 392,826,079,506.09
  5. Step 5: Solve for x
    x = 392,826,079,506.09/800,325.32
  6. Step 6: Final answer
    x = 490,833.00

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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.