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Finding the Fourth Proportional to 374,843.52, 517,291.65 and 205,081.29

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Solution

The fourth proportional to 374,843.52, 517,291.65 and 205,081.29 is: 283,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,843.52 : 517,291.65 = 205,081.29 : x
  2. Step 2: Convert to fraction form
    374,843.52/517,291.65 = 205,081.29/x
  3. Step 3: Cross multiply
    374,843.52x = 517,291.65 × 205,081.29
  4. Step 4: Simplify right side
    374,843.52x = 106,086,838,888.23
  5. Step 5: Solve for x
    x = 106,086,838,888.23/374,843.52
  6. Step 6: Final answer
    x = 283,016.33

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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.