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Finding the Fourth Proportional to 351,581.11, 484,863.03 and 230,676.46

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Solution

The fourth proportional to 351,581.11, 484,863.03 and 230,676.46 is: 318,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,581.11 : 484,863.03 = 230,676.46 : x
  2. Step 2: Convert to fraction form
    351,581.11/484,863.03 = 230,676.46/x
  3. Step 3: Cross multiply
    351,581.11x = 484,863.03 × 230,676.46
  4. Step 4: Simplify right side
    351,581.11x = 111,846,486,133.12
  5. Step 5: Solve for x
    x = 111,846,486,133.12/351,581.11
  6. Step 6: Final answer
    x = 318,124.28

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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.