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Finding the Fourth Proportional to 447,002.70, 670,504.05 and 166,461.90

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Solution

The fourth proportional to 447,002.70, 670,504.05 and 166,461.90 is: 249,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,002.70 : 670,504.05 = 166,461.90 : x
  2. Step 2: Convert to fraction form
    447,002.70/670,504.05 = 166,461.90/x
  3. Step 3: Cross multiply
    447,002.70x = 670,504.05 × 166,461.90
  4. Step 4: Simplify right side
    447,002.70x = 111,613,378,120.70
  5. Step 5: Solve for x
    x = 111,613,378,120.70/447,002.70
  6. Step 6: Final answer
    x = 249,692.85

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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.