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Finding the Fourth Proportional to 447,000.90, 670,501.35 and 166,481.70

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Solution

The fourth proportional to 447,000.90, 670,501.35 and 166,481.70 is: 249,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,000.90 : 670,501.35 = 166,481.70 : x
  2. Step 2: Convert to fraction form
    447,000.90/670,501.35 = 166,481.70/x
  3. Step 3: Cross multiply
    447,000.90x = 670,501.35 × 166,481.70
  4. Step 4: Simplify right side
    447,000.90x = 111,626,204,600.30
  5. Step 5: Solve for x
    x = 111,626,204,600.30/447,000.90
  6. Step 6: Final answer
    x = 249,722.55

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Similar ratio
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1.5x scale

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.