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Finding the Fourth Proportional to 395,667.67, 546,019.52 and 214,379.54

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Solution

The fourth proportional to 395,667.67, 546,019.52 and 214,379.54 is: 295,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,667.67 : 546,019.52 = 214,379.54 : x
  2. Step 2: Convert to fraction form
    395,667.67/546,019.52 = 214,379.54/x
  3. Step 3: Cross multiply
    395,667.67x = 546,019.52 × 214,379.54
  4. Step 4: Simplify right side
    395,667.67x = 117,055,414,845.56
  5. Step 5: Solve for x
    x = 117,055,414,845.56/395,667.67
  6. Step 6: Final answer
    x = 295,842.76

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1.5x scale

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.