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Finding the Fourth Proportional to 336,116.20, 504,174.30 and 324,711.40

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Solution

The fourth proportional to 336,116.20, 504,174.30 and 324,711.40 is: 487,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,116.20 : 504,174.30 = 324,711.40 : x
  2. Step 2: Convert to fraction form
    336,116.20/504,174.30 = 324,711.40/x
  3. Step 3: Cross multiply
    336,116.20x = 504,174.30 × 324,711.40
  4. Step 4: Simplify right side
    336,116.20x = 163,711,142,797.02
  5. Step 5: Solve for x
    x = 163,711,142,797.02/336,116.20
  6. Step 6: Final answer
    x = 487,067.10

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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.