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Finding the Fourth Proportional to 539,930.85, 809,896.28 and 532,057.65

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Solution

The fourth proportional to 539,930.85, 809,896.28 and 532,057.65 is: 798,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,930.85 : 809,896.28 = 532,057.65 : x
  2. Step 2: Convert to fraction form
    539,930.85/809,896.28 = 532,057.65/x
  3. Step 3: Cross multiply
    539,930.85x = 809,896.28 × 532,057.65
  4. Step 4: Simplify right side
    539,930.85x = 430,911,508,820.25
  5. Step 5: Solve for x
    x = 430,911,508,820.25/539,930.85
  6. Step 6: Final answer
    x = 798,086.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.