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Finding the Fourth Proportional to 484,185.75, 726,395.27 and 151,761.75

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Solution

The fourth proportional to 484,185.75, 726,395.27 and 151,761.75 is: 227,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,185.75 : 726,395.27 = 151,761.75 : x
  2. Step 2: Convert to fraction form
    484,185.75/726,395.27 = 151,761.75/x
  3. Step 3: Cross multiply
    484,185.75x = 726,395.27 × 151,761.75
  4. Step 4: Simplify right side
    484,185.75x = 110,239,016,608.11
  5. Step 5: Solve for x
    x = 110,239,016,608.11/484,185.75
  6. Step 6: Final answer
    x = 227,679.18

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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.