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Finding the Fourth Proportional to 393,963.56, 589,998.39 and 224,972.25

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Solution

The fourth proportional to 393,963.56, 589,998.39 and 224,972.25 is: 336,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,963.56 : 589,998.39 = 224,972.25 : x
  2. Step 2: Convert to fraction form
    393,963.56/589,998.39 = 224,972.25/x
  3. Step 3: Cross multiply
    393,963.56x = 589,998.39 × 224,972.25
  4. Step 4: Simplify right side
    393,963.56x = 132,733,265,294.68
  5. Step 5: Solve for x
    x = 132,733,265,294.68/393,963.56
  6. Step 6: Final answer
    x = 336,917.62

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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.