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Finding the Fourth Proportional to 551,915.25, 827,180.32 and 236,000.67

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Solution

The fourth proportional to 551,915.25, 827,180.32 and 236,000.67 is: 353,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915.25 : 827,180.32 = 236,000.67 : x
  2. Step 2: Convert to fraction form
    551,915.25/827,180.32 = 236,000.67/x
  3. Step 3: Cross multiply
    551,915.25x = 827,180.32 × 236,000.67
  4. Step 4: Simplify right side
    551,915.25x = 195,215,107,957.86
  5. Step 5: Solve for x
    x = 195,215,107,957.86/551,915.25
  6. Step 6: Final answer
    x = 353,704.86

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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.