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Finding the Fourth Proportional to 395,992.48, 593,542.50 and 196,455.88

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Solution

The fourth proportional to 395,992.48, 593,542.50 and 196,455.88 is: 294,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,992.48 : 593,542.50 = 196,455.88 : x
  2. Step 2: Convert to fraction form
    395,992.48/593,542.50 = 196,455.88/x
  3. Step 3: Cross multiply
    395,992.48x = 593,542.50 × 196,455.88
  4. Step 4: Simplify right side
    395,992.48x = 116,604,914,154.90
  5. Step 5: Solve for x
    x = 116,604,914,154.90/395,992.48
  6. Step 6: Final answer
    x = 294,462.45

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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.