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Finding the Fourth Proportional to 366,926.99, 550,441.52 and 130,213.40

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Solution

The fourth proportional to 366,926.99, 550,441.52 and 130,213.40 is: 195,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,926.99 : 550,441.52 = 130,213.40 : x
  2. Step 2: Convert to fraction form
    366,926.99/550,441.52 = 130,213.40/x
  3. Step 3: Cross multiply
    366,926.99x = 550,441.52 × 130,213.40
  4. Step 4: Simplify right side
    366,926.99x = 71,674,861,820.37
  5. Step 5: Solve for x
    x = 71,674,861,820.37/366,926.99
  6. Step 6: Final answer
    x = 195,338.21

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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.