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Finding the Fourth Proportional to 375,787.50, 518,858.91 and 241,884.78

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Solution

The fourth proportional to 375,787.50, 518,858.91 and 241,884.78 is: 333,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,787.50 : 518,858.91 = 241,884.78 : x
  2. Step 2: Convert to fraction form
    375,787.50/518,858.91 = 241,884.78/x
  3. Step 3: Cross multiply
    375,787.50x = 518,858.91 × 241,884.78
  4. Step 4: Simplify right side
    375,787.50x = 125,504,073,296.39
  5. Step 5: Solve for x
    x = 125,504,073,296.39/375,787.50
  6. Step 6: Final answer
    x = 333,976.18

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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.