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Finding the Fourth Proportional to 324,209.64, 486,527.82 and 113,841.96

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Solution

The fourth proportional to 324,209.64, 486,527.82 and 113,841.96 is: 170,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,209.64 : 486,527.82 = 113,841.96 : x
  2. Step 2: Convert to fraction form
    324,209.64/486,527.82 = 113,841.96/x
  3. Step 3: Cross multiply
    324,209.64x = 486,527.82 × 113,841.96
  4. Step 4: Simplify right side
    324,209.64x = 55,387,280,623.33
  5. Step 5: Solve for x
    x = 55,387,280,623.33/324,209.64
  6. Step 6: Final answer
    x = 170,837.86

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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.