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Finding the Fourth Proportional to 236,469.60, 354,704.40 and 227,138.40

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Solution

The fourth proportional to 236,469.60, 354,704.40 and 227,138.40 is: 340,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.60 : 354,704.40 = 227,138.40 : x
  2. Step 2: Convert to fraction form
    236,469.60/354,704.40 = 227,138.40/x
  3. Step 3: Cross multiply
    236,469.60x = 354,704.40 × 227,138.40
  4. Step 4: Simplify right side
    236,469.60x = 80,566,989,888.96
  5. Step 5: Solve for x
    x = 80,566,989,888.96/236,469.60
  6. Step 6: Final answer
    x = 340,707.60

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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.