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Finding the Fourth Proportional to 323,660.75, 446,676.16 and 187,693.52

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Solution

The fourth proportional to 323,660.75, 446,676.16 and 187,693.52 is: 259,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,660.75 : 446,676.16 = 187,693.52 : x
  2. Step 2: Convert to fraction form
    323,660.75/446,676.16 = 187,693.52/x
  3. Step 3: Cross multiply
    323,660.75x = 446,676.16 × 187,693.52
  4. Step 4: Simplify right side
    323,660.75x = 83,838,218,537.10
  5. Step 5: Solve for x
    x = 83,838,218,537.10/323,660.75
  6. Step 6: Final answer
    x = 259,031.16

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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.