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Finding the Fourth Proportional to 539,644.73, 809,195.99 and 179,688.35

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Solution

The fourth proportional to 539,644.73, 809,195.99 and 179,688.35 is: 269,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,644.73 : 809,195.99 = 179,688.35 : x
  2. Step 2: Convert to fraction form
    539,644.73/809,195.99 = 179,688.35/x
  3. Step 3: Cross multiply
    539,644.73x = 809,195.99 × 179,688.35
  4. Step 4: Simplify right side
    539,644.73x = 145,403,087,325.30
  5. Step 5: Solve for x
    x = 145,403,087,325.30/539,644.73
  6. Step 6: Final answer
    x = 269,442.25

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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.