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Finding the Fourth Proportional to 324,593.10, 486,500.85 and 166,740.30

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Solution

The fourth proportional to 324,593.10, 486,500.85 and 166,740.30 is: 249,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,593.10 : 486,500.85 = 166,740.30 : x
  2. Step 2: Convert to fraction form
    324,593.10/486,500.85 = 166,740.30/x
  3. Step 3: Cross multiply
    324,593.10x = 486,500.85 × 166,740.30
  4. Step 4: Simplify right side
    324,593.10x = 81,119,297,679.26
  5. Step 5: Solve for x
    x = 81,119,297,679.26/324,593.10
  6. Step 6: Final answer
    x = 249,910.73

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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.