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Finding the Fourth Proportional to 375,461.36, 518,138.52 and 205,695.56

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Solution

The fourth proportional to 375,461.36, 518,138.52 and 205,695.56 is: 283,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,461.36 : 518,138.52 = 205,695.56 : x
  2. Step 2: Convert to fraction form
    375,461.36/518,138.52 = 205,695.56/x
  3. Step 3: Cross multiply
    375,461.36x = 518,138.52 × 205,695.56
  4. Step 4: Simplify right side
    375,461.36x = 106,578,793,028.97
  5. Step 5: Solve for x
    x = 106,578,793,028.97/375,461.36
  6. Step 6: Final answer
    x = 283,860.88

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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.