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Finding the Fourth Proportional to 633,964.40, 950,946.60 and 410,015.60

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Solution

The fourth proportional to 633,964.40, 950,946.60 and 410,015.60 is: 615,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,964.40 : 950,946.60 = 410,015.60 : x
  2. Step 2: Convert to fraction form
    633,964.40/950,946.60 = 410,015.60/x
  3. Step 3: Cross multiply
    633,964.40x = 950,946.60 × 410,015.60
  4. Step 4: Simplify right side
    633,964.40x = 389,902,940,766.96
  5. Step 5: Solve for x
    x = 389,902,940,766.96/633,964.40
  6. Step 6: Final answer
    x = 615,023.40

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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.