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Finding the Fourth Proportional to 325,427.60, 488,096.40 and 100,942.40

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Solution

The fourth proportional to 325,427.60, 488,096.40 and 100,942.40 is: 151,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,427.60 : 488,096.40 = 100,942.40 : x
  2. Step 2: Convert to fraction form
    325,427.60/488,096.40 = 100,942.40/x
  3. Step 3: Cross multiply
    325,427.60x = 488,096.40 × 100,942.40
  4. Step 4: Simplify right side
    325,427.60x = 49,269,622,047.36
  5. Step 5: Solve for x
    x = 49,269,622,047.36/325,427.60
  6. Step 6: Final answer
    x = 151,399.64

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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.