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Finding the Fourth Proportional to 503,866.63, 755,906.56 and 166,888.20

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Solution

The fourth proportional to 503,866.63, 755,906.56 and 166,888.20 is: 250,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,866.63 : 755,906.56 = 166,888.20 : x
  2. Step 2: Convert to fraction form
    503,866.63/755,906.56 = 166,888.20/x
  3. Step 3: Cross multiply
    503,866.63x = 755,906.56 × 166,888.20
  4. Step 4: Simplify right side
    503,866.63x = 126,151,884,749.37
  5. Step 5: Solve for x
    x = 126,151,884,749.37/503,866.63
  6. Step 6: Final answer
    x = 250,367.61

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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.