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Finding the Fourth Proportional to 484,791.90, 726,727.74 and 169,164.06

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Solution

The fourth proportional to 484,791.90, 726,727.74 and 169,164.06 is: 253,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,791.90 : 726,727.74 = 169,164.06 : x
  2. Step 2: Convert to fraction form
    484,791.90/726,727.74 = 169,164.06/x
  3. Step 3: Cross multiply
    484,791.90x = 726,727.74 × 169,164.06
  4. Step 4: Simplify right side
    484,791.90x = 122,936,215,013.02
  5. Step 5: Solve for x
    x = 122,936,215,013.02/484,791.90
  6. Step 6: Final answer
    x = 253,585.54

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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.