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Finding the Fourth Proportional to 375,411.44, 518,067.88 and 205,651.60

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Solution

The fourth proportional to 375,411.44, 518,067.88 and 205,651.60 is: 283,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,411.44 : 518,067.88 = 205,651.60 : x
  2. Step 2: Convert to fraction form
    375,411.44/518,067.88 = 205,651.60/x
  3. Step 3: Cross multiply
    375,411.44x = 518,067.88 × 205,651.60
  4. Step 4: Simplify right side
    375,411.44x = 106,541,488,430.61
  5. Step 5: Solve for x
    x = 106,541,488,430.61/375,411.44
  6. Step 6: Final answer
    x = 283,799.26

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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.