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Finding the Fourth Proportional to 453,692.20, 680,692.20 and 200,938.72

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Solution

The fourth proportional to 453,692.20, 680,692.20 and 200,938.72 is: 301,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,692.20 : 680,692.20 = 200,938.72 : x
  2. Step 2: Convert to fraction form
    453,692.20/680,692.20 = 200,938.72/x
  3. Step 3: Cross multiply
    453,692.20x = 680,692.20 × 200,938.72
  4. Step 4: Simplify right side
    453,692.20x = 136,777,419,381.98
  5. Step 5: Solve for x
    x = 136,777,419,381.98/453,692.20
  6. Step 6: Final answer
    x = 301,476.24

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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.