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Finding the Fourth Proportional to 539,368.37, 809,549.49 and 273,317.39

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Solution

The fourth proportional to 539,368.37, 809,549.49 and 273,317.39 is: 410,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,368.37 : 809,549.49 = 273,317.39 : x
  2. Step 2: Convert to fraction form
    539,368.37/809,549.49 = 273,317.39/x
  3. Step 3: Cross multiply
    539,368.37x = 809,549.49 × 273,317.39
  4. Step 4: Simplify right side
    539,368.37x = 221,263,949,634.88
  5. Step 5: Solve for x
    x = 221,263,949,634.88/539,368.37
  6. Step 6: Final answer
    x = 410,227.90

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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.