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Finding the Fourth Proportional to 253,805.58, 350,251.70 and 140,628.33

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Solution

The fourth proportional to 253,805.58, 350,251.70 and 140,628.33 is: 194,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,805.58 : 350,251.70 = 140,628.33 : x
  2. Step 2: Convert to fraction form
    253,805.58/350,251.70 = 140,628.33/x
  3. Step 3: Cross multiply
    253,805.58x = 350,251.70 × 140,628.33
  4. Step 4: Simplify right side
    253,805.58x = 49,255,311,650.66
  5. Step 5: Solve for x
    x = 49,255,311,650.66/253,805.58
  6. Step 6: Final answer
    x = 194,067.10

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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.