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Finding the Fourth Proportional to 256,119.60, 383,304.60 and 224,626.80

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Solution

The fourth proportional to 256,119.60, 383,304.60 and 224,626.80 is: 336,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,119.60 : 383,304.60 = 224,626.80 : x
  2. Step 2: Convert to fraction form
    256,119.60/383,304.60 = 224,626.80/x
  3. Step 3: Cross multiply
    256,119.60x = 383,304.60 × 224,626.80
  4. Step 4: Simplify right side
    256,119.60x = 86,100,485,723.28
  5. Step 5: Solve for x
    x = 86,100,485,723.28/256,119.60
  6. Step 6: Final answer
    x = 336,172.97

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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.