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Finding the Fourth Proportional to 398,170.35, 597,270.24 and 131,954.13

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Solution

The fourth proportional to 398,170.35, 597,270.24 and 131,954.13 is: 197,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,170.35 : 597,270.24 = 131,954.13 : x
  2. Step 2: Convert to fraction form
    398,170.35/597,270.24 = 131,954.13/x
  3. Step 3: Cross multiply
    398,170.35x = 597,270.24 × 131,954.13
  4. Step 4: Simplify right side
    398,170.35x = 78,812,274,894.09
  5. Step 5: Solve for x
    x = 78,812,274,894.09/398,170.35
  6. Step 6: Final answer
    x = 197,936.07

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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.