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Finding the Fourth Proportional to 266,274.88, 367,462.26 and 145,419.73

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Solution

The fourth proportional to 266,274.88, 367,462.26 and 145,419.73 is: 200,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,274.88 : 367,462.26 = 145,419.73 : x
  2. Step 2: Convert to fraction form
    266,274.88/367,462.26 = 145,419.73/x
  3. Step 3: Cross multiply
    266,274.88x = 367,462.26 × 145,419.73
  4. Step 4: Simplify right side
    266,274.88x = 53,436,260,797.08
  5. Step 5: Solve for x
    x = 53,436,260,797.08/266,274.88
  6. Step 6: Final answer
    x = 200,680.82

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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.