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Finding the Fourth Proportional to 539,373.62, 809,557.37 and 273,322.64

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Solution

The fourth proportional to 539,373.62, 809,557.37 and 273,322.64 is: 410,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,373.62 : 809,557.37 = 273,322.64 : x
  2. Step 2: Convert to fraction form
    539,373.62/809,557.37 = 273,322.64/x
  3. Step 3: Cross multiply
    539,373.62x = 809,557.37 × 273,322.64
  4. Step 4: Simplify right side
    539,373.62x = 221,270,352,185.46
  5. Step 5: Solve for x
    x = 221,270,352,185.46/539,373.62
  6. Step 6: Final answer
    x = 410,235.77

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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.