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Finding the Fourth Proportional to 294,478.98, 440,845.83 and 181,796.88

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Solution

The fourth proportional to 294,478.98, 440,845.83 and 181,796.88 is: 272,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,478.98 : 440,845.83 = 181,796.88 : x
  2. Step 2: Convert to fraction form
    294,478.98/440,845.83 = 181,796.88/x
  3. Step 3: Cross multiply
    294,478.98x = 440,845.83 × 181,796.88
  4. Step 4: Simplify right side
    294,478.98x = 80,144,396,455.01
  5. Step 5: Solve for x
    x = 80,144,396,455.01/294,478.98
  6. Step 6: Final answer
    x = 272,156.59

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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.