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Finding the Fourth Proportional to 603,314.22, 832,580.46 and 331,388.49

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Solution

The fourth proportional to 603,314.22, 832,580.46 and 331,388.49 is: 457,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,314.22 : 832,580.46 = 331,388.49 : x
  2. Step 2: Convert to fraction form
    603,314.22/832,580.46 = 331,388.49/x
  3. Step 3: Cross multiply
    603,314.22x = 832,580.46 × 331,388.49
  4. Step 4: Simplify right side
    603,314.22x = 275,907,581,442.91
  5. Step 5: Solve for x
    x = 275,907,581,442.91/603,314.22
  6. Step 6: Final answer
    x = 457,319.87

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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.