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Finding the Fourth Proportional to 580,986.62, 801,762 and 326,338.01

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Solution

The fourth proportional to 580,986.62, 801,762 and 326,338.01 is: 450,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,986.62 : 801,762 = 326,338.01 : x
  2. Step 2: Convert to fraction form
    580,986.62/801,762 = 326,338.01/x
  3. Step 3: Cross multiply
    580,986.62x = 801,762 × 326,338.01
  4. Step 4: Simplify right side
    580,986.62x = 261,645,415,573.62
  5. Step 5: Solve for x
    x = 261,645,415,573.62/580,986.62
  6. Step 6: Final answer
    x = 450,346.71

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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.