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Finding the Fourth Proportional to 218,627.40, 327,200.39 and 134,440.89

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Solution

The fourth proportional to 218,627.40, 327,200.39 and 134,440.89 is: 201,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,627.40 : 327,200.39 = 134,440.89 : x
  2. Step 2: Convert to fraction form
    218,627.40/327,200.39 = 134,440.89/x
  3. Step 3: Cross multiply
    218,627.40x = 327,200.39 × 134,440.89
  4. Step 4: Simplify right side
    218,627.40x = 43,989,110,244.89
  5. Step 5: Solve for x
    x = 43,989,110,244.89/218,627.40
  6. Step 6: Final answer
    x = 201,205.84

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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.