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Finding the Fourth Proportional to 299,363.40, 449,045.10 and 246,219.30

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Solution

The fourth proportional to 299,363.40, 449,045.10 and 246,219.30 is: 369,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,363.40 : 449,045.10 = 246,219.30 : x
  2. Step 2: Convert to fraction form
    299,363.40/449,045.10 = 246,219.30/x
  3. Step 3: Cross multiply
    299,363.40x = 449,045.10 × 246,219.30
  4. Step 4: Simplify right side
    299,363.40x = 110,563,570,190.43
  5. Step 5: Solve for x
    x = 110,563,570,190.43/299,363.40
  6. Step 6: Final answer
    x = 369,328.95

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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.