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Finding the Fourth Proportional to 323,873.78, 446,801.27 and 187,828.88

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Solution

The fourth proportional to 323,873.78, 446,801.27 and 187,828.88 is: 259,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,873.78 : 446,801.27 = 187,828.88 : x
  2. Step 2: Convert to fraction form
    323,873.78/446,801.27 = 187,828.88/x
  3. Step 3: Cross multiply
    323,873.78x = 446,801.27 × 187,828.88
  4. Step 4: Simplify right side
    323,873.78x = 83,922,178,953.53
  5. Step 5: Solve for x
    x = 83,922,178,953.53/323,873.78
  6. Step 6: Final answer
    x = 259,120.02

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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.