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Finding the Fourth Proportional to 339,590.96, 468,608.10 and 196,360.28

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Solution

The fourth proportional to 339,590.96, 468,608.10 and 196,360.28 is: 270,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,590.96 : 468,608.10 = 196,360.28 : x
  2. Step 2: Convert to fraction form
    339,590.96/468,608.10 = 196,360.28/x
  3. Step 3: Cross multiply
    339,590.96x = 468,608.10 × 196,360.28
  4. Step 4: Simplify right side
    339,590.96x = 92,016,017,726.27
  5. Step 5: Solve for x
    x = 92,016,017,726.27/339,590.96
  6. Step 6: Final answer
    x = 270,961.33

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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.