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Finding the Fourth Proportional to 395,995.38, 594,288.30 and 159,340.08

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Solution

The fourth proportional to 395,995.38, 594,288.30 and 159,340.08 is: 239,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,995.38 : 594,288.30 = 159,340.08 : x
  2. Step 2: Convert to fraction form
    395,995.38/594,288.30 = 159,340.08/x
  3. Step 3: Cross multiply
    395,995.38x = 594,288.30 × 159,340.08
  4. Step 4: Simplify right side
    395,995.38x = 94,693,945,265.06
  5. Step 5: Solve for x
    x = 94,693,945,265.06/395,995.38
  6. Step 6: Final answer
    x = 239,128.91

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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.