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Finding the Fourth Proportional to 398,532.28, 597,383.20 and 173,832.40

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Solution

The fourth proportional to 398,532.28, 597,383.20 and 173,832.40 is: 260,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,532.28 : 597,383.20 = 173,832.40 : x
  2. Step 2: Convert to fraction form
    398,532.28/597,383.20 = 173,832.40/x
  3. Step 3: Cross multiply
    398,532.28x = 597,383.20 × 173,832.40
  4. Step 4: Simplify right side
    398,532.28x = 103,844,555,375.68
  5. Step 5: Solve for x
    x = 103,844,555,375.68/398,532.28
  6. Step 6: Final answer
    x = 260,567.49

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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.