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Finding the Fourth Proportional to 339,051.25, 467,912.60 and 188,148.25

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Solution

The fourth proportional to 339,051.25, 467,912.60 and 188,148.25 is: 259,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,051.25 : 467,912.60 = 188,148.25 : x
  2. Step 2: Convert to fraction form
    339,051.25/467,912.60 = 188,148.25/x
  3. Step 3: Cross multiply
    339,051.25x = 467,912.60 × 188,148.25
  4. Step 4: Simplify right side
    339,051.25x = 88,036,936,842.95
  5. Step 5: Solve for x
    x = 88,036,936,842.95/339,051.25
  6. Step 6: Final answer
    x = 259,656.72

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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.