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Finding the Fourth Proportional to 539,393.76, 809,251.56 and 160,327.04

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Solution

The fourth proportional to 539,393.76, 809,251.56 and 160,327.04 is: 240,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,393.76 : 809,251.56 = 160,327.04 : x
  2. Step 2: Convert to fraction form
    539,393.76/809,251.56 = 160,327.04/x
  3. Step 3: Cross multiply
    539,393.76x = 809,251.56 × 160,327.04
  4. Step 4: Simplify right side
    539,393.76x = 129,744,907,230.18
  5. Step 5: Solve for x
    x = 129,744,907,230.18/539,393.76
  6. Step 6: Final answer
    x = 240,538.39

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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.