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Finding the Fourth Proportional to 551,915.12, 827,180.13 and 236,000.54

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Solution

The fourth proportional to 551,915.12, 827,180.13 and 236,000.54 is: 353,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915.12 : 827,180.13 = 236,000.54 : x
  2. Step 2: Convert to fraction form
    551,915.12/827,180.13 = 236,000.54/x
  3. Step 3: Cross multiply
    551,915.12x = 827,180.13 × 236,000.54
  4. Step 4: Simplify right side
    551,915.12x = 195,214,960,310.22
  5. Step 5: Solve for x
    x = 195,214,960,310.22/551,915.12
  6. Step 6: Final answer
    x = 353,704.68

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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.