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Finding the Fourth Proportional to 1,931,909.46, 2,897,770.67 and 733,738.27

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Solution

The fourth proportional to 1,931,909.46, 2,897,770.67 and 733,738.27 is: 1,100,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,909.46 : 2,897,770.67 = 733,738.27 : x
  2. Step 2: Convert to fraction form
    1,931,909.46/2,897,770.67 = 733,738.27/x
  3. Step 3: Cross multiply
    1,931,909.46x = 2,897,770.67 × 733,738.27
  4. Step 4: Simplify right side
    1,931,909.46x = 2,126,205,245,747.87
  5. Step 5: Solve for x
    x = 2,126,205,245,747.87/1,931,909.46
  6. Step 6: Final answer
    x = 1,100,571.89

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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.