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Finding the Fourth Proportional to 603,277.40, 832,532.85 and 331,370.46

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Solution

The fourth proportional to 603,277.40, 832,532.85 and 331,370.46 is: 457,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,277.40 : 832,532.85 = 331,370.46 : x
  2. Step 2: Convert to fraction form
    603,277.40/832,532.85 = 331,370.46/x
  3. Step 3: Cross multiply
    603,277.40x = 832,532.85 × 331,370.46
  4. Step 4: Simplify right side
    603,277.40x = 275,876,793,469.61
  5. Step 5: Solve for x
    x = 275,876,793,469.61/603,277.40
  6. Step 6: Final answer
    x = 457,296.75

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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.