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Finding the Fourth Proportional to 595,078.20, 821,206.96 and 326,806.20

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Solution

The fourth proportional to 595,078.20, 821,206.96 and 326,806.20 is: 450,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,078.20 : 821,206.96 = 326,806.20 : x
  2. Step 2: Convert to fraction form
    595,078.20/821,206.96 = 326,806.20/x
  3. Step 3: Cross multiply
    595,078.20x = 821,206.96 × 326,806.20
  4. Step 4: Simplify right side
    595,078.20x = 268,375,526,011.15
  5. Step 5: Solve for x
    x = 268,375,526,011.15/595,078.20
  6. Step 6: Final answer
    x = 450,992.03

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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.