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Finding the Fourth Proportional to 299,243.20, 449,901.60 and 293,022.40

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Solution

The fourth proportional to 299,243.20, 449,901.60 and 293,022.40 is: 440,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,243.20 : 449,901.60 = 293,022.40 : x
  2. Step 2: Convert to fraction form
    299,243.20/449,901.60 = 293,022.40/x
  3. Step 3: Cross multiply
    299,243.20x = 449,901.60 × 293,022.40
  4. Step 4: Simplify right side
    299,243.20x = 131,831,246,595.84
  5. Step 5: Solve for x
    x = 131,831,246,595.84/299,243.20
  6. Step 6: Final answer
    x = 440,548.85

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1.5x scale

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.