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Finding the Fourth Proportional to 356,403.35, 534,604.81 and 332,783.75

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Solution

The fourth proportional to 356,403.35, 534,604.81 and 332,783.75 is: 499,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,403.35 : 534,604.81 = 332,783.75 : x
  2. Step 2: Convert to fraction form
    356,403.35/534,604.81 = 332,783.75/x
  3. Step 3: Cross multiply
    356,403.35x = 534,604.81 × 332,783.75
  4. Step 4: Simplify right side
    356,403.35x = 177,907,793,439.84
  5. Step 5: Solve for x
    x = 177,907,793,439.84/356,403.35
  6. Step 6: Final answer
    x = 499,175.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.