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Finding the Fourth Proportional to 274,286.67, 411,430.05 and 116,404.44

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Solution

The fourth proportional to 274,286.67, 411,430.05 and 116,404.44 is: 174,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,286.67 : 411,430.05 = 116,404.44 : x
  2. Step 2: Convert to fraction form
    274,286.67/411,430.05 = 116,404.44/x
  3. Step 3: Cross multiply
    274,286.67x = 411,430.05 × 116,404.44
  4. Step 4: Simplify right side
    274,286.67x = 47,892,284,569.42
  5. Step 5: Solve for x
    x = 47,892,284,569.42/274,286.67
  6. Step 6: Final answer
    x = 174,606.68

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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.