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Finding the Fourth Proportional to 224,392.80, 336,421.80 and 135,627.60

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Solution

The fourth proportional to 224,392.80, 336,421.80 and 135,627.60 is: 203,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,392.80 : 336,421.80 = 135,627.60 : x
  2. Step 2: Convert to fraction form
    224,392.80/336,421.80 = 135,627.60/x
  3. Step 3: Cross multiply
    224,392.80x = 336,421.80 × 135,627.60
  4. Step 4: Simplify right side
    224,392.80x = 45,628,081,321.68
  5. Step 5: Solve for x
    x = 45,628,081,321.68/224,392.80
  6. Step 6: Final answer
    x = 203,340.22

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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.