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Finding the Fourth Proportional to 383,866.08, 529,840.62 and 222,773.01

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Solution

The fourth proportional to 383,866.08, 529,840.62 and 222,773.01 is: 307,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,866.08 : 529,840.62 = 222,773.01 : x
  2. Step 2: Convert to fraction form
    383,866.08/529,840.62 = 222,773.01/x
  3. Step 3: Cross multiply
    383,866.08x = 529,840.62 × 222,773.01
  4. Step 4: Simplify right side
    383,866.08x = 118,034,189,737.67
  5. Step 5: Solve for x
    x = 118,034,189,737.67/383,866.08
  6. Step 6: Final answer
    x = 307,487.94

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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.