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Finding the Fourth Proportional to 253,633.44, 350,014.25 and 140,456.19

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Solution

The fourth proportional to 253,633.44, 350,014.25 and 140,456.19 is: 193,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,633.44 : 350,014.25 = 140,456.19 : x
  2. Step 2: Convert to fraction form
    253,633.44/350,014.25 = 140,456.19/x
  3. Step 3: Cross multiply
    253,633.44x = 350,014.25 × 140,456.19
  4. Step 4: Simplify right side
    253,633.44x = 49,161,667,298.43
  5. Step 5: Solve for x
    x = 49,161,667,298.43/253,633.44
  6. Step 6: Final answer
    x = 193,829.60

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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.