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Finding the Fourth Proportional to 603,208.02, 832,394.04 and 331,311.54

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Solution

The fourth proportional to 603,208.02, 832,394.04 and 331,311.54 is: 457,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,208.02 : 832,394.04 = 331,311.54 : x
  2. Step 2: Convert to fraction form
    603,208.02/832,394.04 = 331,311.54/x
  3. Step 3: Cross multiply
    603,208.02x = 832,394.04 × 331,311.54
  4. Step 4: Simplify right side
    603,208.02x = 275,781,751,279.22
  5. Step 5: Solve for x
    x = 275,781,751,279.22/603,208.02
  6. Step 6: Final answer
    x = 457,191.78

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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.