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Finding the Fourth Proportional to 551,915.70, 827,181 and 236,001.12

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Solution

The fourth proportional to 551,915.70, 827,181 and 236,001.12 is: 353,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915.70 : 827,181 = 236,001.12 : x
  2. Step 2: Convert to fraction form
    551,915.70/827,181 = 236,001.12/x
  3. Step 3: Cross multiply
    551,915.70x = 827,181 × 236,001.12
  4. Step 4: Simplify right side
    551,915.70x = 195,215,642,442.72
  5. Step 5: Solve for x
    x = 195,215,642,442.72/551,915.70
  6. Step 6: Final answer
    x = 353,705.54

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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.