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Finding the Fourth Proportional to 270,611.31, 373,434.41 and 149,757.69

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Solution

The fourth proportional to 270,611.31, 373,434.41 and 149,757.69 is: 206,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,611.31 : 373,434.41 = 149,757.69 : x
  2. Step 2: Convert to fraction form
    270,611.31/373,434.41 = 149,757.69/x
  3. Step 3: Cross multiply
    270,611.31x = 373,434.41 × 149,757.69
  4. Step 4: Simplify right side
    270,611.31x = 55,924,674,982.51
  5. Step 5: Solve for x
    x = 55,924,674,982.51/270,611.31
  6. Step 6: Final answer
    x = 206,660.52

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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.