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Finding the Fourth Proportional to 395,004.69, 592,367.00 and 142,217.37

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Solution

The fourth proportional to 395,004.69, 592,367.00 and 142,217.37 is: 213,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,004.69 : 592,367.00 = 142,217.37 : x
  2. Step 2: Convert to fraction form
    395,004.69/592,367.00 = 142,217.37/x
  3. Step 3: Cross multiply
    395,004.69x = 592,367.00 × 142,217.37
  4. Step 4: Simplify right side
    395,004.69x = 84,244,876,103.70
  5. Step 5: Solve for x
    x = 84,244,876,103.70/395,004.69
  6. Step 6: Final answer
    x = 213,275.64

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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.