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Finding the Fourth Proportional to 331,673, 457,389.06 and 223,022.12

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Solution

The fourth proportional to 331,673, 457,389.06 and 223,022.12 is: 307,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,673 : 457,389.06 = 223,022.12 : x
  2. Step 2: Convert to fraction form
    331,673/457,389.06 = 223,022.12/x
  3. Step 3: Cross multiply
    331,673x = 457,389.06 × 223,022.12
  4. Step 4: Simplify right side
    331,673x = 102,007,877,826.01
  5. Step 5: Solve for x
    x = 102,007,877,826.01/331,673
  6. Step 6: Final answer
    x = 307,555.57

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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.