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Finding the Fourth Proportional to 399,843.84, 599,932.39 and 175,365.39

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Solution

The fourth proportional to 399,843.84, 599,932.39 and 175,365.39 is: 263,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,843.84 : 599,932.39 = 175,365.39 : x
  2. Step 2: Convert to fraction form
    399,843.84/599,932.39 = 175,365.39/x
  3. Step 3: Cross multiply
    399,843.84x = 599,932.39 × 175,365.39
  4. Step 4: Simplify right side
    399,843.84x = 105,207,374,107.91
  5. Step 5: Solve for x
    x = 105,207,374,107.91/399,843.84
  6. Step 6: Final answer
    x = 263,121.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.