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Finding the Fourth Proportional to 324,351.60, 486,138.60 and 166,498.80

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Solution

The fourth proportional to 324,351.60, 486,138.60 and 166,498.80 is: 249,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,351.60 : 486,138.60 = 166,498.80 : x
  2. Step 2: Convert to fraction form
    324,351.60/486,138.60 = 166,498.80/x
  3. Step 3: Cross multiply
    324,351.60x = 486,138.60 × 166,498.80
  4. Step 4: Simplify right side
    324,351.60x = 80,941,493,533.68
  5. Step 5: Solve for x
    x = 80,941,493,533.68/324,351.60
  6. Step 6: Final answer
    x = 249,548.62

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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.