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Finding the Fourth Proportional to 324,010.10, 486,015.15 and 264,961.10

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Solution

The fourth proportional to 324,010.10, 486,015.15 and 264,961.10 is: 397,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,010.10 : 486,015.15 = 264,961.10 : x
  2. Step 2: Convert to fraction form
    324,010.10/486,015.15 = 264,961.10/x
  3. Step 3: Cross multiply
    324,010.10x = 486,015.15 × 264,961.10
  4. Step 4: Simplify right side
    324,010.10x = 128,775,108,760.67
  5. Step 5: Solve for x
    x = 128,775,108,760.67/324,010.10
  6. Step 6: Final answer
    x = 397,441.65

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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.