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Finding the Fourth Proportional to 539,641.73, 809,191.49 and 179,685.34

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Solution

The fourth proportional to 539,641.73, 809,191.49 and 179,685.34 is: 269,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,641.73 : 809,191.49 = 179,685.34 : x
  2. Step 2: Convert to fraction form
    539,641.73/809,191.49 = 179,685.34/x
  3. Step 3: Cross multiply
    539,641.73x = 809,191.49 × 179,685.34
  4. Step 4: Simplify right side
    539,641.73x = 145,399,846,600.45
  5. Step 5: Solve for x
    x = 145,399,846,600.45/539,641.73
  6. Step 6: Final answer
    x = 269,437.74

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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.