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Finding the Fourth Proportional to 323,879.58, 446,833.40 and 187,837.25

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Solution

The fourth proportional to 323,879.58, 446,833.40 and 187,837.25 is: 259,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,879.58 : 446,833.40 = 187,837.25 : x
  2. Step 2: Convert to fraction form
    323,879.58/446,833.40 = 187,837.25/x
  3. Step 3: Cross multiply
    323,879.58x = 446,833.40 × 187,837.25
  4. Step 4: Simplify right side
    323,879.58x = 83,931,953,890.80
  5. Step 5: Solve for x
    x = 83,931,953,890.80/323,879.58
  6. Step 6: Final answer
    x = 259,145.56

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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.