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Finding the Fourth Proportional to 330,479.66, 456,064.82 and 179,576.66

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Solution

The fourth proportional to 330,479.66, 456,064.82 and 179,576.66 is: 247,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,479.66 : 456,064.82 = 179,576.66 : x
  2. Step 2: Convert to fraction form
    330,479.66/456,064.82 = 179,576.66/x
  3. Step 3: Cross multiply
    330,479.66x = 456,064.82 × 179,576.66
  4. Step 4: Simplify right side
    330,479.66x = 81,898,597,119.10
  5. Step 5: Solve for x
    x = 81,898,597,119.10/330,479.66
  6. Step 6: Final answer
    x = 247,817.36

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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.