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Finding the Fourth Proportional to 348,694.77, 481,183.02 and 212,707.11

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Solution

The fourth proportional to 348,694.77, 481,183.02 and 212,707.11 is: 293,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,694.77 : 481,183.02 = 212,707.11 : x
  2. Step 2: Convert to fraction form
    348,694.77/481,183.02 = 212,707.11/x
  3. Step 3: Cross multiply
    348,694.77x = 481,183.02 × 212,707.11
  4. Step 4: Simplify right side
    348,694.77x = 102,351,049,565.27
  5. Step 5: Solve for x
    x = 102,351,049,565.27/348,694.77
  6. Step 6: Final answer
    x = 293,526.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.