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Finding the Fourth Proportional to 407,169.48, 610,757.46 and 167,221.56

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Solution

The fourth proportional to 407,169.48, 610,757.46 and 167,221.56 is: 250,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,169.48 : 610,757.46 = 167,221.56 : x
  2. Step 2: Convert to fraction form
    407,169.48/610,757.46 = 167,221.56/x
  3. Step 3: Cross multiply
    407,169.48x = 610,757.46 × 167,221.56
  4. Step 4: Simplify right side
    407,169.48x = 102,131,815,242.84
  5. Step 5: Solve for x
    x = 102,131,815,242.84/407,169.48
  6. Step 6: Final answer
    x = 250,833.67

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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.