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Finding the Fourth Proportional to 299,246.10, 448,869.15 and 293,997.30

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Solution

The fourth proportional to 299,246.10, 448,869.15 and 293,997.30 is: 440,995.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,246.10 : 448,869.15 = 293,997.30 : x
  2. Step 2: Convert to fraction form
    299,246.10/448,869.15 = 293,997.30/x
  3. Step 3: Cross multiply
    299,246.10x = 448,869.15 × 293,997.30
  4. Step 4: Simplify right side
    299,246.10x = 131,966,318,153.30
  5. Step 5: Solve for x
    x = 131,966,318,153.30/299,246.10
  6. Step 6: Final answer
    x = 440,995.95

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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.