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Finding the Fourth Proportional to 465,990.27, 698,473.75 and 265,874.37

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Solution

The fourth proportional to 465,990.27, 698,473.75 and 265,874.37 is: 398,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,990.27 : 698,473.75 = 265,874.37 : x
  2. Step 2: Convert to fraction form
    465,990.27/698,473.75 = 265,874.37/x
  3. Step 3: Cross multiply
    465,990.27x = 698,473.75 × 265,874.37
  4. Step 4: Simplify right side
    465,990.27x = 185,706,266,496.60
  5. Step 5: Solve for x
    x = 185,706,266,496.60/465,990.27
  6. Step 6: Final answer
    x = 398,519.62

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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.