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Finding the Fourth Proportional to 539,941.10, 809,911.65 and 532,067.90

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Solution

The fourth proportional to 539,941.10, 809,911.65 and 532,067.90 is: 798,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,941.10 : 809,911.65 = 532,067.90 : x
  2. Step 2: Convert to fraction form
    539,941.10/809,911.65 = 532,067.90/x
  3. Step 3: Cross multiply
    539,941.10x = 809,911.65 × 532,067.90
  4. Step 4: Simplify right side
    539,941.10x = 430,927,990,801.04
  5. Step 5: Solve for x
    x = 430,927,990,801.04/539,941.10
  6. Step 6: Final answer
    x = 798,101.85

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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.