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Finding the Fourth Proportional to 371,900.52, 557,536.38 and 161,379.24

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Solution

The fourth proportional to 371,900.52, 557,536.38 and 161,379.24 is: 241,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,900.52 : 557,536.38 = 161,379.24 : x
  2. Step 2: Convert to fraction form
    371,900.52/557,536.38 = 161,379.24/x
  3. Step 3: Cross multiply
    371,900.52x = 557,536.38 × 161,379.24
  4. Step 4: Simplify right side
    371,900.52x = 89,974,797,276.75
  5. Step 5: Solve for x
    x = 89,974,797,276.75/371,900.52
  6. Step 6: Final answer
    x = 241,932.43

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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.