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Finding the Fourth Proportional to 300,672.16, 449,963.88 and 186,773.20

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Solution

The fourth proportional to 300,672.16, 449,963.88 and 186,773.20 is: 279,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,672.16 : 449,963.88 = 186,773.20 : x
  2. Step 2: Convert to fraction form
    300,672.16/449,963.88 = 186,773.20/x
  3. Step 3: Cross multiply
    300,672.16x = 449,963.88 × 186,773.20
  4. Step 4: Simplify right side
    300,672.16x = 84,041,193,752.02
  5. Step 5: Solve for x
    x = 84,041,193,752.02/300,672.16
  6. Step 6: Final answer
    x = 279,511.06

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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.