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Finding the Fourth Proportional to 299,244.20, 449,903.10 and 293,023.40

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Solution

The fourth proportional to 299,244.20, 449,903.10 and 293,023.40 is: 440,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,244.20 : 449,903.10 = 293,023.40 : x
  2. Step 2: Convert to fraction form
    299,244.20/449,903.10 = 293,023.40/x
  3. Step 3: Cross multiply
    299,244.20x = 449,903.10 × 293,023.40
  4. Step 4: Simplify right side
    299,244.20x = 131,832,136,032.54
  5. Step 5: Solve for x
    x = 131,832,136,032.54/299,244.20
  6. Step 6: Final answer
    x = 440,550.35

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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.