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Finding the Fourth Proportional to 322,692.72, 483,975.27 and 306,689.94

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Solution

The fourth proportional to 322,692.72, 483,975.27 and 306,689.94 is: 459,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,692.72 : 483,975.27 = 306,689.94 : x
  2. Step 2: Convert to fraction form
    322,692.72/483,975.27 = 306,689.94/x
  3. Step 3: Cross multiply
    322,692.72x = 483,975.27 × 306,689.94
  4. Step 4: Simplify right side
    322,692.72x = 148,430,346,517.78
  5. Step 5: Solve for x
    x = 148,430,346,517.78/322,692.72
  6. Step 6: Final answer
    x = 459,974.26

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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.