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Finding the Fourth Proportional to 273,611.90, 410,419.22 and 123,676.65

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Solution

The fourth proportional to 273,611.90, 410,419.22 and 123,676.65 is: 185,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,611.90 : 410,419.22 = 123,676.65 : x
  2. Step 2: Convert to fraction form
    273,611.90/410,419.22 = 123,676.65/x
  3. Step 3: Cross multiply
    273,611.90x = 410,419.22 × 123,676.65
  4. Step 4: Simplify right side
    273,611.90x = 50,759,274,225.21
  5. Step 5: Solve for x
    x = 50,759,274,225.21/273,611.90
  6. Step 6: Final answer
    x = 185,515.59

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1.5x scale

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.