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Finding the Fourth Proportional to 447,234.96, 670,385.76 and 181,179.12

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Solution

The fourth proportional to 447,234.96, 670,385.76 and 181,179.12 is: 271,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,234.96 : 670,385.76 = 181,179.12 : x
  2. Step 2: Convert to fraction form
    447,234.96/670,385.76 = 181,179.12/x
  3. Step 3: Cross multiply
    447,234.96x = 670,385.76 × 181,179.12
  4. Step 4: Simplify right side
    447,234.96x = 121,459,902,057.33
  5. Step 5: Solve for x
    x = 121,459,902,057.33/447,234.96
  6. Step 6: Final answer
    x = 271,579.62

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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.