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Finding the Fourth Proportional to 392,662.08, 588,165.60 and 179,609.40

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Solution

The fourth proportional to 392,662.08, 588,165.60 and 179,609.40 is: 269,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,662.08 : 588,165.60 = 179,609.40 : x
  2. Step 2: Convert to fraction form
    392,662.08/588,165.60 = 179,609.40/x
  3. Step 3: Cross multiply
    392,662.08x = 588,165.60 × 179,609.40
  4. Step 4: Simplify right side
    392,662.08x = 105,640,070,516.64
  5. Step 5: Solve for x
    x = 105,640,070,516.64/392,662.08
  6. Step 6: Final answer
    x = 269,035.58

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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.