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Finding the Fourth Proportional to 323,933.39, 485,691.94 and 134,524.40

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Solution

The fourth proportional to 323,933.39, 485,691.94 and 134,524.40 is: 201,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,933.39 : 485,691.94 = 134,524.40 : x
  2. Step 2: Convert to fraction form
    323,933.39/485,691.94 = 134,524.40/x
  3. Step 3: Cross multiply
    323,933.39x = 485,691.94 × 134,524.40
  4. Step 4: Simplify right side
    323,933.39x = 65,337,417,691.25
  5. Step 5: Solve for x
    x = 65,337,417,691.25/323,933.39
  6. Step 6: Final answer
    x = 201,700.17

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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.