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Finding the Fourth Proportional to 270,960.67, 406,441.05 and 113,103.01

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Solution

The fourth proportional to 270,960.67, 406,441.05 and 113,103.01 is: 169,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,960.67 : 406,441.05 = 113,103.01 : x
  2. Step 2: Convert to fraction form
    270,960.67/406,441.05 = 113,103.01/x
  3. Step 3: Cross multiply
    270,960.67x = 406,441.05 × 113,103.01
  4. Step 4: Simplify right side
    270,960.67x = 45,969,706,142.56
  5. Step 5: Solve for x
    x = 45,969,706,142.56/270,960.67
  6. Step 6: Final answer
    x = 169,654.53

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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.