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Finding the Fourth Proportional to 323,281.83, 446,333.18 and 238,250.79

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Solution

The fourth proportional to 323,281.83, 446,333.18 and 238,250.79 is: 328,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,281.83 : 446,333.18 = 238,250.79 : x
  2. Step 2: Convert to fraction form
    323,281.83/446,333.18 = 238,250.79/x
  3. Step 3: Cross multiply
    323,281.83x = 446,333.18 × 238,250.79
  4. Step 4: Simplify right side
    323,281.83x = 106,339,231,546.96
  5. Step 5: Solve for x
    x = 106,339,231,546.96/323,281.83
  6. Step 6: Final answer
    x = 328,936.62

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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.