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Finding the Fourth Proportional to 374,859.36, 517,318.82 and 205,093.48

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Solution

The fourth proportional to 374,859.36, 517,318.82 and 205,093.48 is: 283,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,859.36 : 517,318.82 = 205,093.48 : x
  2. Step 2: Convert to fraction form
    374,859.36/517,318.82 = 205,093.48/x
  3. Step 3: Cross multiply
    374,859.36x = 517,318.82 × 205,093.48
  4. Step 4: Simplify right side
    374,859.36x = 106,098,717,063.29
  5. Step 5: Solve for x
    x = 106,098,717,063.29/374,859.36
  6. Step 6: Final answer
    x = 283,036.06

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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.