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Finding the Fourth Proportional to 315,793.40, 435,794.44 and 179,827.36

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Solution

The fourth proportional to 315,793.40, 435,794.44 and 179,827.36 is: 248,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,793.40 : 435,794.44 = 179,827.36 : x
  2. Step 2: Convert to fraction form
    315,793.40/435,794.44 = 179,827.36/x
  3. Step 3: Cross multiply
    315,793.40x = 435,794.44 × 179,827.36
  4. Step 4: Simplify right side
    315,793.40x = 78,367,763,647.88
  5. Step 5: Solve for x
    x = 78,367,763,647.88/315,793.40
  6. Step 6: Final answer
    x = 248,161.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.