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Finding the Fourth Proportional to 539,820.48, 809,249.46 and 273,443.88

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Solution

The fourth proportional to 539,820.48, 809,249.46 and 273,443.88 is: 409,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,820.48 : 809,249.46 = 273,443.88 : x
  2. Step 2: Convert to fraction form
    539,820.48/809,249.46 = 273,443.88/x
  3. Step 3: Cross multiply
    539,820.48x = 809,249.46 × 273,443.88
  4. Step 4: Simplify right side
    539,820.48x = 221,284,312,230.31
  5. Step 5: Solve for x
    x = 221,284,312,230.31/539,820.48
  6. Step 6: Final answer
    x = 409,922.04

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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.