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Finding the Fourth Proportional to 324,165.44, 486,296.64 and 113,766.40

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Solution

The fourth proportional to 324,165.44, 486,296.64 and 113,766.40 is: 170,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,165.44 : 486,296.64 = 113,766.40 : x
  2. Step 2: Convert to fraction form
    324,165.44/486,296.64 = 113,766.40/x
  3. Step 3: Cross multiply
    324,165.44x = 486,296.64 × 113,766.40
  4. Step 4: Simplify right side
    324,165.44x = 55,324,218,064.90
  5. Step 5: Solve for x
    x = 55,324,218,064.90/324,165.44
  6. Step 6: Final answer
    x = 170,666.61

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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.