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Finding the Fourth Proportional to 456,694.82, 685,045.06 and 119,732.44

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Solution

The fourth proportional to 456,694.82, 685,045.06 and 119,732.44 is: 179,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,694.82 : 685,045.06 = 119,732.44 : x
  2. Step 2: Convert to fraction form
    456,694.82/685,045.06 = 119,732.44/x
  3. Step 3: Cross multiply
    456,694.82x = 685,045.06 × 119,732.44
  4. Step 4: Simplify right side
    456,694.82x = 82,022,115,945.08
  5. Step 5: Solve for x
    x = 82,022,115,945.08/456,694.82
  6. Step 6: Final answer
    x = 179,599.40

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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.