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Finding the Fourth Proportional to 321,777.66, 444,053.32 and 178,537.88

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Solution

The fourth proportional to 321,777.66, 444,053.32 and 178,537.88 is: 246,382.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,777.66 : 444,053.32 = 178,537.88 : x
  2. Step 2: Convert to fraction form
    321,777.66/444,053.32 = 178,537.88/x
  3. Step 3: Cross multiply
    321,777.66x = 444,053.32 × 178,537.88
  4. Step 4: Simplify right side
    321,777.66x = 79,280,338,359.76
  5. Step 5: Solve for x
    x = 79,280,338,359.76/321,777.66
  6. Step 6: Final answer
    x = 246,382.36

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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.