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Finding the Fourth Proportional to 395,443.69, 593,266.68 and 114,960.94

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Solution

The fourth proportional to 395,443.69, 593,266.68 and 114,960.94 is: 172,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,443.69 : 593,266.68 = 114,960.94 : x
  2. Step 2: Convert to fraction form
    395,443.69/593,266.68 = 114,960.94/x
  3. Step 3: Cross multiply
    395,443.69x = 593,266.68 × 114,960.94
  4. Step 4: Simplify right side
    395,443.69x = 68,202,493,720.31
  5. Step 5: Solve for x
    x = 68,202,493,720.31/395,443.69
  6. Step 6: Final answer
    x = 172,470.81

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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.