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Finding the Fourth Proportional to 539,773.10, 809,659.65 and 165,796.10

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Solution

The fourth proportional to 539,773.10, 809,659.65 and 165,796.10 is: 248,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,773.10 : 809,659.65 = 165,796.10 : x
  2. Step 2: Convert to fraction form
    539,773.10/809,659.65 = 165,796.10/x
  3. Step 3: Cross multiply
    539,773.10x = 809,659.65 × 165,796.10
  4. Step 4: Simplify right side
    539,773.10x = 134,238,412,297.37
  5. Step 5: Solve for x
    x = 134,238,412,297.37/539,773.10
  6. Step 6: Final answer
    x = 248,694.15

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Similar ratio
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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.