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Finding the Fourth Proportional to 360,801.37, 541,190.89 and 171,398.06

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Solution

The fourth proportional to 360,801.37, 541,190.89 and 171,398.06 is: 257,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,801.37 : 541,190.89 = 171,398.06 : x
  2. Step 2: Convert to fraction form
    360,801.37/541,190.89 = 171,398.06/x
  3. Step 3: Cross multiply
    360,801.37x = 541,190.89 × 171,398.06
  4. Step 4: Simplify right side
    360,801.37x = 92,759,068,635.67
  5. Step 5: Solve for x
    x = 92,759,068,635.67/360,801.37
  6. Step 6: Final answer
    x = 257,091.79

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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.