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Finding the Fourth Proportional to 299,583,718.40, 449,424,760.80 and 92,322,165.80

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Solution

The fourth proportional to 299,583,718.40, 449,424,760.80 and 92,322,165.80 is: 138,498,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,583,718.40 : 449,424,760.80 = 92,322,165.80 : x
  2. Step 2: Convert to fraction form
    299,583,718.40/449,424,760.80 = 92,322,165.80/x
  3. Step 3: Cross multiply
    299,583,718.40x = 449,424,760.80 × 92,322,165.80
  4. Step 4: Simplify right side
    299,583,718.40x = 41,491,867,281,202,944
  5. Step 5: Solve for x
    x = 41,491,867,281,202,944/299,583,718.40
  6. Step 6: Final answer
    x = 138,498,405.40

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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.