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Finding the Fourth Proportional to 322,066, 483,151.79 and 132,474.97

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Solution

The fourth proportional to 322,066, 483,151.79 and 132,474.97 is: 198,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,066 : 483,151.79 = 132,474.97 : x
  2. Step 2: Convert to fraction form
    322,066/483,151.79 = 132,474.97/x
  3. Step 3: Cross multiply
    322,066x = 483,151.79 × 132,474.97
  4. Step 4: Simplify right side
    322,066x = 64,005,518,885.70
  5. Step 5: Solve for x
    x = 64,005,518,885.70/322,066
  6. Step 6: Final answer
    x = 198,734.17

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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.