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Finding the Fourth Proportional to 389,359.97, 584,073.97 and 108,878.03

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Solution

The fourth proportional to 389,359.97, 584,073.97 and 108,878.03 is: 163,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,359.97 : 584,073.97 = 108,878.03 : x
  2. Step 2: Convert to fraction form
    389,359.97/584,073.97 = 108,878.03/x
  3. Step 3: Cross multiply
    389,359.97x = 584,073.97 × 108,878.03
  4. Step 4: Simplify right side
    389,359.97x = 63,592,823,227.88
  5. Step 5: Solve for x
    x = 63,592,823,227.88/389,359.97
  6. Step 6: Final answer
    x = 163,326.56

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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.