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Finding the Fourth Proportional to 603,980.72, 833,472.15 and 332,046.64

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Solution

The fourth proportional to 603,980.72, 833,472.15 and 332,046.64 is: 458,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,980.72 : 833,472.15 = 332,046.64 : x
  2. Step 2: Convert to fraction form
    603,980.72/833,472.15 = 332,046.64/x
  3. Step 3: Cross multiply
    603,980.72x = 833,472.15 × 332,046.64
  4. Step 4: Simplify right side
    603,980.72x = 276,751,626,737.74
  5. Step 5: Solve for x
    x = 276,751,626,737.74/603,980.72
  6. Step 6: Final answer
    x = 458,212.68

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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.