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Finding the Fourth Proportional to 499,536.36, 689,365.62 and 273,177

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Solution

The fourth proportional to 499,536.36, 689,365.62 and 273,177 is: 376,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,536.36 : 689,365.62 = 273,177 : x
  2. Step 2: Convert to fraction form
    499,536.36/689,365.62 = 273,177/x
  3. Step 3: Cross multiply
    499,536.36x = 689,365.62 × 273,177
  4. Step 4: Simplify right side
    499,536.36x = 188,318,831,974.74
  5. Step 5: Solve for x
    x = 188,318,831,974.74/499,536.36
  6. Step 6: Final answer
    x = 376,987.24

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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.