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Finding the Fourth Proportional to 580,449.28, 800,976.04 and 325,751.26

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Solution

The fourth proportional to 580,449.28, 800,976.04 and 325,751.26 is: 449,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,449.28 : 800,976.04 = 325,751.26 : x
  2. Step 2: Convert to fraction form
    580,449.28/800,976.04 = 325,751.26/x
  3. Step 3: Cross multiply
    580,449.28x = 800,976.04 × 325,751.26
  4. Step 4: Simplify right side
    580,449.28x = 260,918,954,259.81
  5. Step 5: Solve for x
    x = 260,918,954,259.81/580,449.28
  6. Step 6: Final answer
    x = 449,512.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.