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Finding the Fourth Proportional to 551,915.22, 827,180.27 and 236,000.64

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Solution

The fourth proportional to 551,915.22, 827,180.27 and 236,000.64 is: 353,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,915.22 : 827,180.27 = 236,000.64 : x
  2. Step 2: Convert to fraction form
    551,915.22/827,180.27 = 236,000.64/x
  3. Step 3: Cross multiply
    551,915.22x = 827,180.27 × 236,000.64
  4. Step 4: Simplify right side
    551,915.22x = 195,215,071,045.95
  5. Step 5: Solve for x
    x = 195,215,071,045.95/551,915.22
  6. Step 6: Final answer
    x = 353,704.82

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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.