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Finding the Fourth Proportional to 433,914.30, 650,811.45 and 134,600.70

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Solution

The fourth proportional to 433,914.30, 650,811.45 and 134,600.70 is: 201,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,914.30 : 650,811.45 = 134,600.70 : x
  2. Step 2: Convert to fraction form
    433,914.30/650,811.45 = 134,600.70/x
  3. Step 3: Cross multiply
    433,914.30x = 650,811.45 × 134,600.70
  4. Step 4: Simplify right side
    433,914.30x = 87,599,676,738.02
  5. Step 5: Solve for x
    x = 87,599,676,738.02/433,914.30
  6. Step 6: Final answer
    x = 201,882.44

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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.