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Finding the Fourth Proportional to 609,964.70, 914,947.05 and 166,732.70

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Solution

The fourth proportional to 609,964.70, 914,947.05 and 166,732.70 is: 250,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,964.70 : 914,947.05 = 166,732.70 : x
  2. Step 2: Convert to fraction form
    609,964.70/914,947.05 = 166,732.70/x
  3. Step 3: Cross multiply
    609,964.70x = 914,947.05 × 166,732.70
  4. Step 4: Simplify right side
    609,964.70x = 152,551,592,003.54
  5. Step 5: Solve for x
    x = 152,551,592,003.54/609,964.70
  6. Step 6: Final answer
    x = 250,099.05

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Double scale
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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.