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Finding the Fourth Proportional to 408,477.51, 563,659.49 and 236,361.15

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Solution

The fourth proportional to 408,477.51, 563,659.49 and 236,361.15 is: 326,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,477.51 : 563,659.49 = 236,361.15 : x
  2. Step 2: Convert to fraction form
    408,477.51/563,659.49 = 236,361.15/x
  3. Step 3: Cross multiply
    408,477.51x = 563,659.49 × 236,361.15
  4. Step 4: Simplify right side
    408,477.51x = 133,227,204,083.01
  5. Step 5: Solve for x
    x = 133,227,204,083.01/408,477.51
  6. Step 6: Final answer
    x = 326,155.54

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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.