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Finding the Fourth Proportional to 282,358.31, 389,836.82 and 175,043.03

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Solution

The fourth proportional to 282,358.31, 389,836.82 and 175,043.03 is: 241,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,358.31 : 389,836.82 = 175,043.03 : x
  2. Step 2: Convert to fraction form
    282,358.31/389,836.82 = 175,043.03/x
  3. Step 3: Cross multiply
    282,358.31x = 389,836.82 × 175,043.03
  4. Step 4: Simplify right side
    282,358.31x = 68,238,218,178.36
  5. Step 5: Solve for x
    x = 68,238,218,178.36/282,358.31
  6. Step 6: Final answer
    x = 241,672.43

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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.