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Finding the Fourth Proportional to 551,915.88, 827,181.26 and 236,001.30

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Solution

The fourth proportional to 551,915.88, 827,181.26 and 236,001.30 is: 353,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915.88 : 827,181.26 = 236,001.30 : x
  2. Step 2: Convert to fraction form
    551,915.88/827,181.26 = 236,001.30/x
  3. Step 3: Cross multiply
    551,915.88x = 827,181.26 × 236,001.30
  4. Step 4: Simplify right side
    551,915.88x = 195,215,847,379.73
  5. Step 5: Solve for x
    x = 195,215,847,379.73/551,915.88
  6. Step 6: Final answer
    x = 353,705.80

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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.