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Finding the Fourth Proportional to 550,216.80, 825,325.20 and 474,109.20

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Solution

The fourth proportional to 550,216.80, 825,325.20 and 474,109.20 is: 711,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,216.80 : 825,325.20 = 474,109.20 : x
  2. Step 2: Convert to fraction form
    550,216.80/825,325.20 = 474,109.20/x
  3. Step 3: Cross multiply
    550,216.80x = 825,325.20 × 474,109.20
  4. Step 4: Simplify right side
    550,216.80x = 391,294,270,311.84
  5. Step 5: Solve for x
    x = 391,294,270,311.84/550,216.80
  6. Step 6: Final answer
    x = 711,163.80

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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.