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Finding the Fourth Proportional to 331,230.01, 496,853.18 and 120,867.88

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Solution

The fourth proportional to 331,230.01, 496,853.18 and 120,867.88 is: 181,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,230.01 : 496,853.18 = 120,867.88 : x
  2. Step 2: Convert to fraction form
    331,230.01/496,853.18 = 120,867.88/x
  3. Step 3: Cross multiply
    331,230.01x = 496,853.18 × 120,867.88
  4. Step 4: Simplify right side
    331,230.01x = 60,053,590,537.86
  5. Step 5: Solve for x
    x = 60,053,590,537.86/331,230.01
  6. Step 6: Final answer
    x = 181,304.80

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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.