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Finding the Fourth Proportional to 309,245.72, 464,046.98 and 167,091.39

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Solution

The fourth proportional to 309,245.72, 464,046.98 and 167,091.39 is: 250,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,245.72 : 464,046.98 = 167,091.39 : x
  2. Step 2: Convert to fraction form
    309,245.72/464,046.98 = 167,091.39/x
  3. Step 3: Cross multiply
    309,245.72x = 464,046.98 × 167,091.39
  4. Step 4: Simplify right side
    309,245.72x = 77,538,254,078.05
  5. Step 5: Solve for x
    x = 77,538,254,078.05/309,245.72
  6. Step 6: Final answer
    x = 250,733.48

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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.