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Finding the Fourth Proportional to 539,794.56, 809,692.80 and 165,815.04

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Solution

The fourth proportional to 539,794.56, 809,692.80 and 165,815.04 is: 248,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,794.56 : 809,692.80 = 165,815.04 : x
  2. Step 2: Convert to fraction form
    539,794.56/809,692.80 = 165,815.04/x
  3. Step 3: Cross multiply
    539,794.56x = 809,692.80 × 165,815.04
  4. Step 4: Simplify right side
    539,794.56x = 134,259,244,019.71
  5. Step 5: Solve for x
    x = 134,259,244,019.71/539,794.56
  6. Step 6: Final answer
    x = 248,722.85

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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.