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Finding the Fourth Proportional to 333,584.84, 500,378.26 and 80,864.34

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Solution

The fourth proportional to 333,584.84, 500,378.26 and 80,864.34 is: 121,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,584.84 : 500,378.26 = 80,864.34 : x
  2. Step 2: Convert to fraction form
    333,584.84/500,378.26 = 80,864.34/x
  3. Step 3: Cross multiply
    333,584.84x = 500,378.26 × 80,864.34
  4. Step 4: Simplify right side
    333,584.84x = 40,462,757,745.25
  5. Step 5: Solve for x
    x = 40,462,757,745.25/333,584.84
  6. Step 6: Final answer
    x = 121,296.75

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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.