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Finding the Fourth Proportional to 603,622.28, 832,948.90 and 331,676.12

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Solution

The fourth proportional to 603,622.28, 832,948.90 and 331,676.12 is: 457,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,622.28 : 832,948.90 = 331,676.12 : x
  2. Step 2: Convert to fraction form
    603,622.28/832,948.90 = 331,676.12/x
  3. Step 3: Cross multiply
    603,622.28x = 832,948.90 × 331,676.12
  4. Step 4: Simplify right side
    603,622.28x = 276,269,259,310.27
  5. Step 5: Solve for x
    x = 276,269,259,310.27/603,622.28
  6. Step 6: Final answer
    x = 457,685.66

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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.