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Finding the Fourth Proportional to 539,581.30, 809,181.95 and 179,654.41

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Solution

The fourth proportional to 539,581.30, 809,181.95 and 179,654.41 is: 269,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,581.30 : 809,181.95 = 179,654.41 : x
  2. Step 2: Convert to fraction form
    539,581.30/809,181.95 = 179,654.41/x
  3. Step 3: Cross multiply
    539,581.30x = 809,181.95 × 179,654.41
  4. Step 4: Simplify right side
    539,581.30x = 145,373,105,809.90
  5. Step 5: Solve for x
    x = 145,373,105,809.90/539,581.30
  6. Step 6: Final answer
    x = 269,418.35

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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.