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Finding the Fourth Proportional to 339,174, 468,060.12 and 188,285.04

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Solution

The fourth proportional to 339,174, 468,060.12 and 188,285.04 is: 259,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,174 : 468,060.12 = 188,285.04 : x
  2. Step 2: Convert to fraction form
    339,174/468,060.12 = 188,285.04/x
  3. Step 3: Cross multiply
    339,174x = 468,060.12 × 188,285.04
  4. Step 4: Simplify right side
    339,174x = 88,128,718,416.60
  5. Step 5: Solve for x
    x = 88,128,718,416.60/339,174
  6. Step 6: Final answer
    x = 259,833.36

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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.