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Finding the Fourth Proportional to 392,933.49, 588,907 and 168,029.36

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Solution

The fourth proportional to 392,933.49, 588,907 and 168,029.36 is: 251,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,933.49 : 588,907 = 168,029.36 : x
  2. Step 2: Convert to fraction form
    392,933.49/588,907 = 168,029.36/x
  3. Step 3: Cross multiply
    392,933.49x = 588,907 × 168,029.36
  4. Step 4: Simplify right side
    392,933.49x = 98,953,666,309.52
  5. Step 5: Solve for x
    x = 98,953,666,309.52/392,933.49
  6. Step 6: Final answer
    x = 251,833.12

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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.