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Finding the Fourth Proportional to 479,976.96, 662,311.44 and 265,104.22

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Solution

The fourth proportional to 479,976.96, 662,311.44 and 265,104.22 is: 365,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,976.96 : 662,311.44 = 265,104.22 : x
  2. Step 2: Convert to fraction form
    479,976.96/662,311.44 = 265,104.22/x
  3. Step 3: Cross multiply
    479,976.96x = 662,311.44 × 265,104.22
  4. Step 4: Simplify right side
    479,976.96x = 175,581,557,698.28
  5. Step 5: Solve for x
    x = 175,581,557,698.28/479,976.96
  6. Step 6: Final answer
    x = 365,812.47

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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.