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Finding the Fourth Proportional to 430,685.25, 594,335.52 and 239,694.54

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Solution

The fourth proportional to 430,685.25, 594,335.52 and 239,694.54 is: 330,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,685.25 : 594,335.52 = 239,694.54 : x
  2. Step 2: Convert to fraction form
    430,685.25/594,335.52 = 239,694.54/x
  3. Step 3: Cross multiply
    430,685.25x = 594,335.52 × 239,694.54
  4. Step 4: Simplify right side
    430,685.25x = 142,458,979,072.06
  5. Step 5: Solve for x
    x = 142,458,979,072.06/430,685.25
  6. Step 6: Final answer
    x = 330,772.83

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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.