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Finding the Fourth Proportional to 614,845.50, 848,486.79 and 332,221.50

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Solution

The fourth proportional to 614,845.50, 848,486.79 and 332,221.50 is: 458,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,845.50 : 848,486.79 = 332,221.50 : x
  2. Step 2: Convert to fraction form
    614,845.50/848,486.79 = 332,221.50/x
  3. Step 3: Cross multiply
    614,845.50x = 848,486.79 × 332,221.50
  4. Step 4: Simplify right side
    614,845.50x = 281,885,554,103.99
  5. Step 5: Solve for x
    x = 281,885,554,103.99/614,845.50
  6. Step 6: Final answer
    x = 458,465.67

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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.