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Finding the Fourth Proportional to 439,129.43, 605,764.85 and 267,100.01

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Solution

The fourth proportional to 439,129.43, 605,764.85 and 267,100.01 is: 368,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,129.43 : 605,764.85 = 267,100.01 : x
  2. Step 2: Convert to fraction form
    439,129.43/605,764.85 = 267,100.01/x
  3. Step 3: Cross multiply
    439,129.43x = 605,764.85 × 267,100.01
  4. Step 4: Simplify right side
    439,129.43x = 161,799,797,492.65
  5. Step 5: Solve for x
    x = 161,799,797,492.65/439,129.43
  6. Step 6: Final answer
    x = 368,455.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.