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Finding the Fourth Proportional to 335,206.89, 502,809.03 and 135,524.88

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Solution

The fourth proportional to 335,206.89, 502,809.03 and 135,524.88 is: 203,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,206.89 : 502,809.03 = 135,524.88 : x
  2. Step 2: Convert to fraction form
    335,206.89/502,809.03 = 135,524.88/x
  3. Step 3: Cross multiply
    335,206.89x = 502,809.03 × 135,524.88
  4. Step 4: Simplify right side
    335,206.89x = 68,143,133,453.67
  5. Step 5: Solve for x
    x = 68,143,133,453.67/335,206.89
  6. Step 6: Final answer
    x = 203,286.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.