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Finding the Fourth Proportional to 373,675.70, 560,404.20 and 133,761.80

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Solution

The fourth proportional to 373,675.70, 560,404.20 and 133,761.80 is: 200,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,675.70 : 560,404.20 = 133,761.80 : x
  2. Step 2: Convert to fraction form
    373,675.70/560,404.20 = 133,761.80/x
  3. Step 3: Cross multiply
    373,675.70x = 560,404.20 × 133,761.80
  4. Step 4: Simplify right side
    373,675.70x = 74,960,674,519.56
  5. Step 5: Solve for x
    x = 74,960,674,519.56/373,675.70
  6. Step 6: Final answer
    x = 200,603.56

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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.