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Finding the Fourth Proportional to 375,410.52, 518,067.36 and 205,645.32

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Solution

The fourth proportional to 375,410.52, 518,067.36 and 205,645.32 is: 283,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,410.52 : 518,067.36 = 205,645.32 : x
  2. Step 2: Convert to fraction form
    375,410.52/518,067.36 = 205,645.32/x
  3. Step 3: Cross multiply
    375,410.52x = 518,067.36 × 205,645.32
  4. Step 4: Simplify right side
    375,410.52x = 106,538,128,028.76
  5. Step 5: Solve for x
    x = 106,538,128,028.76/375,410.52
  6. Step 6: Final answer
    x = 283,791.00

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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.