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Finding the Fourth Proportional to 436,899.40, 654,509.48 and 267,927

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Solution

The fourth proportional to 436,899.40, 654,509.48 and 267,927 is: 401,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,899.40 : 654,509.48 = 267,927 : x
  2. Step 2: Convert to fraction form
    436,899.40/654,509.48 = 267,927/x
  3. Step 3: Cross multiply
    436,899.40x = 654,509.48 × 267,927
  4. Step 4: Simplify right side
    436,899.40x = 175,360,761,447.96
  5. Step 5: Solve for x
    x = 175,360,761,447.96/436,899.40
  6. Step 6: Final answer
    x = 401,375.61

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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.