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Finding the Fourth Proportional to 324,152.64, 486,446.08 and 113,791.04

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Solution

The fourth proportional to 324,152.64, 486,446.08 and 113,791.04 is: 170,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,152.64 : 486,446.08 = 113,791.04 : x
  2. Step 2: Convert to fraction form
    324,152.64/486,446.08 = 113,791.04/x
  3. Step 3: Cross multiply
    324,152.64x = 486,446.08 × 113,791.04
  4. Step 4: Simplify right side
    324,152.64x = 55,353,205,347.12
  5. Step 5: Solve for x
    x = 55,353,205,347.12/324,152.64
  6. Step 6: Final answer
    x = 170,762.78

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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.