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Finding the Fourth Proportional to 609,744.60, 914,616.90 and 166,512.60

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Solution

The fourth proportional to 609,744.60, 914,616.90 and 166,512.60 is: 249,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,744.60 : 914,616.90 = 166,512.60 : x
  2. Step 2: Convert to fraction form
    609,744.60/914,616.90 = 166,512.60/x
  3. Step 3: Cross multiply
    609,744.60x = 914,616.90 × 166,512.60
  4. Step 4: Simplify right side
    609,744.60x = 152,295,238,022.94
  5. Step 5: Solve for x
    x = 152,295,238,022.94/609,744.60
  6. Step 6: Final answer
    x = 249,768.90

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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.