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Finding the Fourth Proportional to 339,777.06, 468,898.11 and 186,821.52

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Solution

The fourth proportional to 339,777.06, 468,898.11 and 186,821.52 is: 257,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,777.06 : 468,898.11 = 186,821.52 : x
  2. Step 2: Convert to fraction form
    339,777.06/468,898.11 = 186,821.52/x
  3. Step 3: Cross multiply
    339,777.06x = 468,898.11 × 186,821.52
  4. Step 4: Simplify right side
    339,777.06x = 87,600,257,635.33
  5. Step 5: Solve for x
    x = 87,600,257,635.33/339,777.06
  6. Step 6: Final answer
    x = 257,816.87

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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.