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Finding the Fourth Proportional to 383,842.67, 529,531.55 and 222,604.26

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Solution

The fourth proportional to 383,842.67, 529,531.55 and 222,604.26 is: 307,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,842.67 : 529,531.55 = 222,604.26 : x
  2. Step 2: Convert to fraction form
    383,842.67/529,531.55 = 222,604.26/x
  3. Step 3: Cross multiply
    383,842.67x = 529,531.55 × 222,604.26
  4. Step 4: Simplify right side
    383,842.67x = 117,875,977,721.38
  5. Step 5: Solve for x
    x = 117,875,977,721.38/383,842.67
  6. Step 6: Final answer
    x = 307,094.52

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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.