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Finding the Fourth Proportional to 324,092.40, 486,138.60 and 166,336.80

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Solution

The fourth proportional to 324,092.40, 486,138.60 and 166,336.80 is: 249,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,092.40 : 486,138.60 = 166,336.80 : x
  2. Step 2: Convert to fraction form
    324,092.40/486,138.60 = 166,336.80/x
  3. Step 3: Cross multiply
    324,092.40x = 486,138.60 × 166,336.80
  4. Step 4: Simplify right side
    324,092.40x = 80,862,739,080.48
  5. Step 5: Solve for x
    x = 80,862,739,080.48/324,092.40
  6. Step 6: Final answer
    x = 249,505.20

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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.