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Finding the Fourth Proportional to 330,479.44, 456,064.36 and 179,576.44

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Solution

The fourth proportional to 330,479.44, 456,064.36 and 179,576.44 is: 247,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,479.44 : 456,064.36 = 179,576.44 : x
  2. Step 2: Convert to fraction form
    330,479.44/456,064.36 = 179,576.44/x
  3. Step 3: Cross multiply
    330,479.44x = 456,064.36 × 179,576.44
  4. Step 4: Simplify right side
    330,479.44x = 81,898,412,590.58
  5. Step 5: Solve for x
    x = 81,898,412,590.58/330,479.44
  6. Step 6: Final answer
    x = 247,816.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.