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Finding the Fourth Proportional to 324,384.40, 486,589.84 and 111,298.84

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Solution

The fourth proportional to 324,384.40, 486,589.84 and 111,298.84 is: 166,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,384.40 : 486,589.84 = 111,298.84 : x
  2. Step 2: Convert to fraction form
    324,384.40/486,589.84 = 111,298.84/x
  3. Step 3: Cross multiply
    324,384.40x = 486,589.84 × 111,298.84
  4. Step 4: Simplify right side
    324,384.40x = 54,156,884,747.79
  5. Step 5: Solve for x
    x = 54,156,884,747.79/324,384.40
  6. Step 6: Final answer
    x = 166,952.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.