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Finding the Fourth Proportional to 561,902.60, 775,361.94 and 332,466.92

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Solution

The fourth proportional to 561,902.60, 775,361.94 and 332,466.92 is: 458,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,902.60 : 775,361.94 = 332,466.92 : x
  2. Step 2: Convert to fraction form
    561,902.60/775,361.94 = 332,466.92/x
  3. Step 3: Cross multiply
    561,902.60x = 775,361.94 × 332,466.92
  4. Step 4: Simplify right side
    561,902.60x = 257,782,196,077.03
  5. Step 5: Solve for x
    x = 257,782,196,077.03/561,902.60
  6. Step 6: Final answer
    x = 458,766.69

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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.