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Finding the Fourth Proportional to 331,227.01, 496,848.68 and 120,864.88

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Solution

The fourth proportional to 331,227.01, 496,848.68 and 120,864.88 is: 181,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,227.01 : 496,848.68 = 120,864.88 : x
  2. Step 2: Convert to fraction form
    331,227.01/496,848.68 = 120,864.88/x
  3. Step 3: Cross multiply
    331,227.01x = 496,848.68 × 120,864.88
  4. Step 4: Simplify right side
    331,227.01x = 60,051,552,997.79
  5. Step 5: Solve for x
    x = 60,051,552,997.79/331,227.01
  6. Step 6: Final answer
    x = 181,300.29

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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.