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Finding the Fourth Proportional to 432,452.60, 648,740.81 and 132,958.33

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Solution

The fourth proportional to 432,452.60, 648,740.81 and 132,958.33 is: 199,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,452.60 : 648,740.81 = 132,958.33 : x
  2. Step 2: Convert to fraction form
    432,452.60/648,740.81 = 132,958.33/x
  3. Step 3: Cross multiply
    432,452.60x = 648,740.81 × 132,958.33
  4. Step 4: Simplify right side
    432,452.60x = 86,255,493,410.99
  5. Step 5: Solve for x
    x = 86,255,493,410.99/432,452.60
  6. Step 6: Final answer
    x = 199,456.53

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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.