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Finding the Fourth Proportional to 439,132.44, 605,769 and 267,103

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Solution

The fourth proportional to 439,132.44, 605,769 and 267,103 is: 368,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,132.44 : 605,769 = 267,103 : x
  2. Step 2: Convert to fraction form
    439,132.44/605,769 = 267,103/x
  3. Step 3: Cross multiply
    439,132.44x = 605,769 × 267,103
  4. Step 4: Simplify right side
    439,132.44x = 161,802,717,207
  5. Step 5: Solve for x
    x = 161,802,717,207/439,132.44
  6. Step 6: Final answer
    x = 368,459.95

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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.