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Finding the Fourth Proportional to 383,384.96, 529,071.26 and 222,333.41

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Solution

The fourth proportional to 383,384.96, 529,071.26 and 222,333.41 is: 306,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,384.96 : 529,071.26 = 222,333.41 : x
  2. Step 2: Convert to fraction form
    383,384.96/529,071.26 = 222,333.41/x
  3. Step 3: Cross multiply
    383,384.96x = 529,071.26 × 222,333.41
  4. Step 4: Simplify right side
    383,384.96x = 117,630,213,611.77
  5. Step 5: Solve for x
    x = 117,630,213,611.77/383,384.96
  6. Step 6: Final answer
    x = 306,820.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.