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Finding the Fourth Proportional to 580,434.27, 800,955.38 and 325,736.25

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Solution

The fourth proportional to 580,434.27, 800,955.38 and 325,736.25 is: 449,491.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,434.27 : 800,955.38 = 325,736.25 : x
  2. Step 2: Convert to fraction form
    580,434.27/800,955.38 = 325,736.25/x
  3. Step 3: Cross multiply
    580,434.27x = 800,955.38 × 325,736.25
  4. Step 4: Simplify right side
    580,434.27x = 260,900,200,269.84
  5. Step 5: Solve for x
    x = 260,900,200,269.84/580,434.27
  6. Step 6: Final answer
    x = 449,491.38

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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.