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Finding the Fourth Proportional to 339,432.58, 468,364.89 and 196,164.96

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Solution

The fourth proportional to 339,432.58, 468,364.89 and 196,164.96 is: 270,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,432.58 : 468,364.89 = 196,164.96 : x
  2. Step 2: Convert to fraction form
    339,432.58/468,364.89 = 196,164.96/x
  3. Step 3: Cross multiply
    339,432.58x = 468,364.89 × 196,164.96
  4. Step 4: Simplify right side
    339,432.58x = 91,876,779,912.25
  5. Step 5: Solve for x
    x = 91,876,779,912.25/339,432.58
  6. Step 6: Final answer
    x = 270,677.55

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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.