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Finding the Fourth Proportional to 544,439.22, 816,846.06 and 319,987.44

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Solution

The fourth proportional to 544,439.22, 816,846.06 and 319,987.44 is: 480,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,439.22 : 816,846.06 = 319,987.44 : x
  2. Step 2: Convert to fraction form
    544,439.22/816,846.06 = 319,987.44/x
  3. Step 3: Cross multiply
    544,439.22x = 816,846.06 × 319,987.44
  4. Step 4: Simplify right side
    544,439.22x = 261,380,479,613.49
  5. Step 5: Solve for x
    x = 261,380,479,613.49/544,439.22
  6. Step 6: Final answer
    x = 480,091.20

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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.