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Finding the Fourth Proportional to 365,336.30, 548,087.49 and 165,713.77

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Solution

The fourth proportional to 365,336.30, 548,087.49 and 165,713.77 is: 248,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,336.30 : 548,087.49 = 165,713.77 : x
  2. Step 2: Convert to fraction form
    365,336.30/548,087.49 = 165,713.77/x
  3. Step 3: Cross multiply
    365,336.30x = 548,087.49 × 165,713.77
  4. Step 4: Simplify right side
    365,336.30x = 90,825,646,018.27
  5. Step 5: Solve for x
    x = 90,825,646,018.27/365,336.30
  6. Step 6: Final answer
    x = 248,608.33

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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.