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Finding the Fourth Proportional to 375,361.36, 517,998.76 and 205,601.56

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Solution

The fourth proportional to 375,361.36, 517,998.76 and 205,601.56 is: 283,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,361.36 : 517,998.76 = 205,601.56 : x
  2. Step 2: Convert to fraction form
    375,361.36/517,998.76 = 205,601.56/x
  3. Step 3: Cross multiply
    375,361.36x = 517,998.76 × 205,601.56
  4. Step 4: Simplify right side
    375,361.36x = 106,501,353,134.07
  5. Step 5: Solve for x
    x = 106,501,353,134.07/375,361.36
  6. Step 6: Final answer
    x = 283,730.20

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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.