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Finding the Fourth Proportional to 324,014.10, 486,021.15 and 264,965.10

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Solution

The fourth proportional to 324,014.10, 486,021.15 and 264,965.10 is: 397,447.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,014.10 : 486,021.15 = 264,965.10 : x
  2. Step 2: Convert to fraction form
    324,014.10/486,021.15 = 264,965.10/x
  3. Step 3: Cross multiply
    324,014.10x = 486,021.15 × 264,965.10
  4. Step 4: Simplify right side
    324,014.10x = 128,778,642,611.87
  5. Step 5: Solve for x
    x = 128,778,642,611.87/324,014.10
  6. Step 6: Final answer
    x = 397,447.65

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Similar ratio
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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.