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Finding the Fourth Proportional to 374,843.52, 517,296.48 and 205,077.72

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Solution

The fourth proportional to 374,843.52, 517,296.48 and 205,077.72 is: 283,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,843.52 : 517,296.48 = 205,077.72 : x
  2. Step 2: Convert to fraction form
    374,843.52/517,296.48 = 205,077.72/x
  3. Step 3: Cross multiply
    374,843.52x = 517,296.48 × 205,077.72
  4. Step 4: Simplify right side
    374,843.52x = 106,085,982,682.43
  5. Step 5: Solve for x
    x = 106,085,982,682.43/374,843.52
  6. Step 6: Final answer
    x = 283,014.05

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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.