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Finding the Fourth Proportional to 595,073.82, 821,198.84 and 323,139.26

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Solution

The fourth proportional to 595,073.82, 821,198.84 and 323,139.26 is: 445,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,073.82 : 821,198.84 = 323,139.26 : x
  2. Step 2: Convert to fraction form
    595,073.82/821,198.84 = 323,139.26/x
  3. Step 3: Cross multiply
    595,073.82x = 821,198.84 × 323,139.26
  4. Step 4: Simplify right side
    595,073.82x = 265,361,585,470.46
  5. Step 5: Solve for x
    x = 265,361,585,470.46/595,073.82
  6. Step 6: Final answer
    x = 445,930.53

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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.