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Finding the Fourth Proportional to 539,374.62, 809,558.87 and 273,323.64

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Solution

The fourth proportional to 539,374.62, 809,558.87 and 273,323.64 is: 410,237.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,374.62 : 809,558.87 = 273,323.64 : x
  2. Step 2: Convert to fraction form
    539,374.62/809,558.87 = 273,323.64/x
  3. Step 3: Cross multiply
    539,374.62x = 809,558.87 × 273,323.64
  4. Step 4: Simplify right side
    539,374.62x = 221,271,577,142.69
  5. Step 5: Solve for x
    x = 221,271,577,142.69/539,374.62
  6. Step 6: Final answer
    x = 410,237.28

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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.