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Finding the Fourth Proportional to 333,922.50, 500,912.91 and 84,604.50

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Solution

The fourth proportional to 333,922.50, 500,912.91 and 84,604.50 is: 126,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,922.50 : 500,912.91 = 84,604.50 : x
  2. Step 2: Convert to fraction form
    333,922.50/500,912.91 = 84,604.50/x
  3. Step 3: Cross multiply
    333,922.50x = 500,912.91 × 84,604.50
  4. Step 4: Simplify right side
    333,922.50x = 42,379,486,294.10
  5. Step 5: Solve for x
    x = 42,379,486,294.10/333,922.50
  6. Step 6: Final answer
    x = 126,914.14

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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.