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Finding the Fourth Proportional to 539,549.64, 809,323.56 and 160,468.56

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Solution

The fourth proportional to 539,549.64, 809,323.56 and 160,468.56 is: 240,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,549.64 : 809,323.56 = 160,468.56 : x
  2. Step 2: Convert to fraction form
    539,549.64/809,323.56 = 160,468.56/x
  3. Step 3: Cross multiply
    539,549.64x = 809,323.56 × 160,468.56
  4. Step 4: Simplify right side
    539,549.64x = 129,870,986,247.27
  5. Step 5: Solve for x
    x = 129,870,986,247.27/539,549.64
  6. Step 6: Final answer
    x = 240,702.57

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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.