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Finding the Fourth Proportional to 229,976.40, 344,964.60 and 199,563.60

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Solution

The fourth proportional to 229,976.40, 344,964.60 and 199,563.60 is: 299,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,976.40 : 344,964.60 = 199,563.60 : x
  2. Step 2: Convert to fraction form
    229,976.40/344,964.60 = 199,563.60/x
  3. Step 3: Cross multiply
    229,976.40x = 344,964.60 × 199,563.60
  4. Step 4: Simplify right side
    229,976.40x = 68,842,377,448.56
  5. Step 5: Solve for x
    x = 68,842,377,448.56/229,976.40
  6. Step 6: Final answer
    x = 299,345.40

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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.