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Finding the Fourth Proportional to 395,423.00, 593,150.91 and 114,940.25

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Solution

The fourth proportional to 395,423.00, 593,150.91 and 114,940.25 is: 172,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,423.00 : 593,150.91 = 114,940.25 : x
  2. Step 2: Convert to fraction form
    395,423.00/593,150.91 = 114,940.25/x
  3. Step 3: Cross multiply
    395,423.00x = 593,150.91 × 114,940.25
  4. Step 4: Simplify right side
    395,423.00x = 68,176,915,078.65
  5. Step 5: Solve for x
    x = 68,176,915,078.65/395,423.00
  6. Step 6: Final answer
    x = 172,415.15

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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.