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Finding the Fourth Proportional to 461,310.78, 691,732.89 and 236,623.26

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Solution

The fourth proportional to 461,310.78, 691,732.89 and 236,623.26 is: 354,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,310.78 : 691,732.89 = 236,623.26 : x
  2. Step 2: Convert to fraction form
    461,310.78/691,732.89 = 236,623.26/x
  3. Step 3: Cross multiply
    461,310.78x = 691,732.89 × 236,623.26
  4. Step 4: Simplify right side
    461,310.78x = 163,680,091,481.02
  5. Step 5: Solve for x
    x = 163,680,091,481.02/461,310.78
  6. Step 6: Final answer
    x = 354,815.23

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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.