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Finding the Fourth Proportional to 631,863.25, 947,794.88 and 252,954.57

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Solution

The fourth proportional to 631,863.25, 947,794.88 and 252,954.57 is: 379,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,863.25 : 947,794.88 = 252,954.57 : x
  2. Step 2: Convert to fraction form
    631,863.25/947,794.88 = 252,954.57/x
  3. Step 3: Cross multiply
    631,863.25x = 947,794.88 × 252,954.57
  4. Step 4: Simplify right side
    631,863.25x = 239,749,046,318.60
  5. Step 5: Solve for x
    x = 239,749,046,318.60/631,863.25
  6. Step 6: Final answer
    x = 379,431.86

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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.