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Finding the Fourth Proportional to 539,644.88, 809,326.22 and 160,463.49

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Solution

The fourth proportional to 539,644.88, 809,326.22 and 160,463.49 is: 240,653.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,644.88 : 809,326.22 = 160,463.49 : x
  2. Step 2: Convert to fraction form
    539,644.88/809,326.22 = 160,463.49/x
  3. Step 3: Cross multiply
    539,644.88x = 809,326.22 × 160,463.49
  4. Step 4: Simplify right side
    539,644.88x = 129,867,309,007.39
  5. Step 5: Solve for x
    x = 129,867,309,007.39/539,644.88
  6. Step 6: Final answer
    x = 240,653.28

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1.5x scale

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.