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Finding the Fourth Proportional to 217,051.37, 325,630.34 and 175,309.73

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Solution

The fourth proportional to 217,051.37, 325,630.34 and 175,309.73 is: 263,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,051.37 : 325,630.34 = 175,309.73 : x
  2. Step 2: Convert to fraction form
    217,051.37/325,630.34 = 175,309.73/x
  3. Step 3: Cross multiply
    217,051.37x = 325,630.34 × 175,309.73
  4. Step 4: Simplify right side
    217,051.37x = 57,086,166,108.66
  5. Step 5: Solve for x
    x = 57,086,166,108.66/217,051.37
  6. Step 6: Final answer
    x = 263,007.63

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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.